Cannot insert an image using TinyMCE and ResponsiveFilemanager

While editing a document (tinymce) I select Insert->Insert/Edit image. This shows a dialog with source. To the right of source is a camera icon, which I click to select an image I would like to insert and nothing happens.

The website is www.dallasdowntownassociation.com (base URL). I am actually developing a new site at www.dallasdowntownassociation.com/newsite. On the new site if you point to Around Town and select Blue Garden a screen with show with a button to edit content.

Version info: TinyMCE 4.2.7; Responsive Filemanager 9.9.6.

<script>
    tinymce.init({
    mode : "specific_textareas",
    editor_selector : "mceEditor", width: "100%", height: "400",
    theme: "modern",
   font_formats: "Aller=aller,san-serif;" +
        "Aller Bold=aller bold,san-serif;" +
        "Aller Display=aller display,san-serif;"+
        "Aller Light=aller light,san-serif;" +
        "Andale Mono=andale mono,times;"+
        "Arial=arial,helvetica,sans-serif;"+
        "Arial Black=arial black,avant garde;"+
        "Book Antiqua=book antiqua,palatino;"+
        "Comic Sans MS=comic sans ms,sans-serif;"+
        "Courier New=courier new,courier;"+
        "Georgia=georgia,palatino;"+
        "Helvetica=helvetica;"+
        "Impact=impact,chicago;"+
        "Symbol=symbol;"+
        "Tahoma=tahoma,arial,helvetica,sans-serif;"+
        "Terminal=terminal,monaco;"+
        "Times New Roman=times new roman,times;"+
        "Trebuchet MS=trebuchet ms,geneva;"+
        "Verdana=verdana,geneva;"+
        "Webdings=webdings;"+
        "Wingdings=wingdings,zapf dingbats",
    browser_spellcheck : true,
    gecko_spellcheck: true,
    plugins: [
            "advlist autolink lists link image charmap print preview hr anchor pagebreak",
            "searchreplace wordcount visualblocks visualchars code fullscreen",
            "insertdatetime media nonbreaking save table contextmenu directionality",
            "emoticons template paste textcolor colorpicker textpattern"
    ],
    toolbar1: "newdocument | insertfile undo redo | bold italic underline strikethrough | alignleft aligncenter alignright alignjustify | cut copy paste | bullist numlist outdent indent | link image",
    toolbar2: "styleselect formatselect fontselect fontsizeselect | responsivefilemanager | blockqote | removeformat | forecolor backcolor | subscript superscript",
    image_advtab: true ,

    filemanager_title:"Responsive Filemanager",
    external_filemanager_path:"/newsite/filemanager/",
    external_plugins: { "filemanager" : "/newsite/filemanager/plugin.min.js"},
    });
</script>

The filemanager config.php is as follows:

<?php
	session_start();
	mb_internal_encoding('UTF-8');
	date_default_timezone_set('Europe/Rome');

	/*
    |--------------------------------------------------------------------------
    | Optional security
    |--------------------------------------------------------------------------
    |
    | if set to true only those will access RF whose url contains the access key(akey) like:
    | <input type="button" href="../filemanager/dialog.php?field_id=imgField&lang=en_EN&akey=myPrivateKey" value="Files">
    | in tinymce a new parameter added: filemanager_access_key:"myPrivateKey"
    | example tinymce config:
    |
    | tiny init ...
    | external_filemanager_path:"../filemanager/",
    | filemanager_title:"Filemanager" ,
    | filemanager_access_key:"myPrivateKey" ,
    | ...
    |
    */

	define('USE_ACCESS_KEYS', false); // TRUE or FALSE

	/*
    |--------------------------------------------------------------------------
    | DON'T COPY THIS VARIABLES IN FOLDERS config.php FILES
    |--------------------------------------------------------------------------
    */

	/*
    |--------------------------------------------------------------------------
    | Path configuration
    |--------------------------------------------------------------------------
    | In this configuration the folder tree is
    | root
    |    |- source <- upload folder
    |    |- thumbs <- thumbnail folder [must have write permission (755)]
    |    |- filemanager
    |    |- js
    |    |   |- tinymce
    |    |   |   |- plugins
    |    |   |   |   |- responsivefilemanager
    |    |   |   |   |   |- plugin.min.js
    */

	$config = array(

		/*
        |--------------------------------------------------------------------------
        | DON'T TOUCH (base url (only domain) of site).
        |--------------------------------------------------------------------------
        |
        | without final /
        |
        */

			'base_url' => ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] && ! in_array(strtolower($_SERVER['HTTPS']), array( 'off', 'no' ))) ? 'https' : 'http') . '://' . $_SERVER['HTTP_HOST'],

		/*
        |--------------------------------------------------------------------------
        | path from base_url to base of upload folder
        |--------------------------------------------------------------------------
        |
        | with start and final /
        |
		|			'upload_dir' => '/source/',
        */
			'upload_dir' => '/newsite/source/',

		/*
        |--------------------------------------------------------------------------
        | relative path from filemanager folder to upload folder
        |--------------------------------------------------------------------------
        |
        | with final /
        |
		|			'current_path' => '../source/',
        */
			'current_path' => '../source/',

		/*
        |--------------------------------------------------------------------------
        | relative path from filemanager folder to thumbs folder
        |--------------------------------------------------------------------------
        |
        | with final /
        | DO NOT put inside upload folder
        |
		|			'thumbs_base_path' => '../thumbs/',
        */
			'thumbs_base_path' => '../thumbs/',

		/*
        |--------------------------------------------------------------------------
        | Access keys
        |--------------------------------------------------------------------------
        |
        | add access keys eg: array('myPrivateKey', 'someoneElseKey');
        | keys should only containt (a-z A-Z 0-9 \ . _ -) characters
        | if you are integrating lets say to a cms for admins, i recommend making keys randomized something like this:
        | $username = 'Admin';
        | $salt = 'dsflFWR9u2xQa' (a hard coded string)
        | $akey = md5($username.$salt);
        | DO NOT use 'key' as access key!
        | Keys are CASE SENSITIVE!
        |
        */

			'access_keys' => array(),

		//--------------------------------------------------------------------------------------------------------
		// YOU CAN COPY AND CHANGE THESE VARIABLES INTO FOLDERS config.php FILES TO CUSTOMIZE EACH FOLDER OPTIONS
		//--------------------------------------------------------------------------------------------------------

		/*
        |--------------------------------------------------------------------------
        | Maximum upload size
        |--------------------------------------------------------------------------
        |
        | in Megabytes
        |
        */
			'MaxSizeUpload' => 100,


		/*
        |--------------------------------------------------------------------------
        | default language file name
        |--------------------------------------------------------------------------
        */
			'default_language' => "en_EN",

		/*
        |--------------------------------------------------------------------------
        | Icon theme
        |--------------------------------------------------------------------------
        |
        | Default available: ico and ico_dark
        | Can be set to custom icon inside filemanager/img
        |
        */
			'icon_theme' => "ico",


		//Show or not show folder size in list view feature in filemanager (is possible, if there is a large folder, to greatly increase the calculations)
			'show_folder_size'                        => true,
		//Show or not show sorting feature in filemanager
			'show_sorting_bar'                        => true,
		//active or deactive the transliteration (mean convert all strange characters in A..Za..z0..9 characters)
			'transliteration'                         => false,
		//convert all spaces on files name and folders name with $replace_with variable
			'convert_spaces'                          => false,
		//convert all spaces on files name and folders name this value
			'replace_with'                            => "_",

		// -1: There is no lazy loading at all, 0: Always lazy-load images, 0+: The minimum number of the files in a directory
		// when lazy loading should be turned on.
			'lazy_loading_file_number_threshold'      => 0,


		//*******************************************
		//Images limit and resizing configuration
		//*******************************************

		// set maximum pixel width and/or maximum pixel height for all images
		// If you set a maximum width or height, oversized images are converted to those limits. Images smaller than the limit(s) are unaffected
		// if you don't need a limit set both to 0
			'image_max_width'                         => 0,
			'image_max_height'                        => 0,
			'image_max_mode'                          => 'auto',
		/*
        #  $option:  0 / exact = defined size;
        #            1 / portrait = keep aspect set height;
        #            2 / landscape = keep aspect set width;
        #            3 / auto = auto;
        #            4 / crop= resize and crop;
         */

		//Automatic resizing //
		// If you set $image_resizing to TRUE the script converts all uploaded images exactly to image_resizing_width x image_resizing_height dimension
		// If you set width or height to 0 the script automatically calculates the other dimension
		// Is possible that if you upload very big images the script not work to overcome this increase the php configuration of memory and time limit
			'image_resizing'                          => false,
			'image_resizing_width'                    => 0,
			'image_resizing_height'                   => 0,
			'image_resizing_mode'                     => 'auto', // same as $image_max_mode
			'image_resizing_override'                 => false,
		// If set to TRUE then you can specify bigger images than $image_max_width & height otherwise if image_resizing is
		// bigger than $image_max_width or height then it will be converted to those values

		//******************
		// Default layout setting
		//
		// 0 => boxes
		// 1 => detailed list (1 column)
		// 2 => columns list (multiple columns depending on the width of the page)
		// YOU CAN ALSO PASS THIS PARAMETERS USING SESSION VAR => $_SESSION['RF']["VIEW"]=
		//
		//******************
			'default_view'                            => 0,

		//set if the filename is truncated when overflow first row
			'ellipsis_title_after_first_row'          => true,

		//*************************
		//Permissions configuration
		//******************
			'delete_files'                            => true,
			'create_folders'                          => true,
			'delete_folders'                          => true,
			'upload_files'                            => true,
			'rename_files'                            => true,
			'rename_folders'                          => true,
			'duplicate_files'                         => true,
			'copy_cut_files'                          => true, // for copy/cut files
			'copy_cut_dirs'                           => true, // for copy/cut directories
			'chmod_files'                             => false, // change file permissions
			'chmod_dirs'                              => false, // change folder permissions
			'preview_text_files'                      => true, // eg.: txt, log etc.
			'edit_text_files'                         => true, // eg.: txt, log etc.
			'create_text_files'                       => true, // only create files with exts. defined in $editable_text_file_exts

		// you can preview these type of files if $preview_text_files is true
			'previewable_text_file_exts'              => array( 'txt', 'log', 'xml', 'html', 'css', 'htm', 'js' ),
			'previewable_text_file_exts_no_prettify'  => array( 'txt', 'log' ),

		// you can edit these type of files if $edit_text_files is true (only text based files)
		// you can create these type of files if $create_text_files is true (only text based files)
		// if you want you can add html,css etc.
		// but for security reasons it's NOT RECOMMENDED!
			'editable_text_file_exts'                 => array( 'txt', 'log', 'xml', 'html', 'css', 'htm', 'js' ),

		// Preview with Google Documents
			'googledoc_enabled'                       => true,
			'googledoc_file_exts'                     => array( 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx' ),

		// Preview with Viewer.js
			'viewerjs_enabled'                        => true,
			'viewerjs_file_exts'                      => array( 'pdf', 'odt', 'odp', 'ods' ),

		// defines size limit for paste in MB / operation
		// set 'FALSE' for no limit
			'copy_cut_max_size'                       => 100,
		// defines file count limit for paste / operation
		// set 'FALSE' for no limit
			'copy_cut_max_count'                      => 200,
		//IF any of these limits reached, operation won't start and generate warning

		//**********************
		//Allowed extensions (lowercase insert)
		//**********************
			'ext_img'                                 => array( 'jpg', 'jpeg', 'png', 'gif', 'bmp', 'tiff', 'svg' ), //Images
			'ext_file'                                => array( 'doc', 'docx', 'rtf', 'pdf', 'xls', 'xlsx', 'txt', 'csv', 'html', 'xhtml', 'psd', 'sql', 'log', 'fla', 'xml', 'ade', 'adp', 'mdb', 'accdb', 'ppt', 'pptx', 'odt', 'ots', 'ott', 'odb', 'odg', 'otp', 'otg', 'odf', 'ods', 'odp', 'css', 'ai' ), //Files
			'ext_video'                               => array( 'mov', 'mpeg', 'm4v', 'mp4', 'avi', 'mpg', 'wma', "flv", "webm" ), //Video
			'ext_music'                               => array( 'mp3', 'm4a', 'ac3', 'aiff', 'mid', 'ogg', 'wav' ), //Audio
			'ext_misc'                                => array( 'zip', 'rar', 'gz', 'tar', 'iso', 'dmg' ), //Archives

		/******************
		 * AVIARY config
		 *******************/
			'aviary_active'                           => true,
			'aviary_apiKey'                           => "2444282ef4344e3dacdedc7a78f8877d",
			'aviary_language'                         => "en",
			'aviary_theme'                            => "light",
			'aviary_tools'                            => "all",
			'aviary_maxSize'                          => "1400",
		// Add or modify the Aviary options below as needed - they will be json encoded when added to the configuration so arrays can be utilized as needed

		//The filter and sorter are managed through both javascript and php scripts because if you have a lot of
		//file in a folder the javascript script can't sort all or filter all, so the filemanager switch to php script.
		//The plugin automatic swich javascript to php when the current folder exceeds the below limit of files number
			'file_number_limit_js'                    => 500,

		//**********************
		// Hidden files and folders
		//**********************
		// set the names of any folders you want hidden (eg "hidden_folder1", "hidden_folder2" ) Remember all folders with these names will be hidden (you can set any exceptions in config.php files on folders)
			'hidden_folders'                          => array(),
		// set the names of any files you want hidden. Remember these names will be hidden in all folders (eg "this_document.pdf", "that_image.jpg" )
			'hidden_files'                            => array( 'config.php' ),

		/*******************
		 * JAVA upload
		 *******************/
			'java_upload'                             => true,
			'JAVAMaxSizeUpload'                       => 200, //Gb


		//************************************
		//Thumbnail for external use creation
		//************************************


		// New image resized creation with fixed path from filemanager folder after uploading (thumbnails in fixed mode)
		// If you want create images resized out of upload folder for use with external script you can choose this method,
		// You can create also more than one image at a time just simply add a value in the array
		// Remember than the image creation respect the folder hierarchy so if you are inside source/test/test1/ the new image will create at
		// path_from_filemanager/test/test1/
		// PS if there isn't write permission in your destination folder you must set it
		//
			'fixed_image_creation'                    => false, //activate or not the creation of one or more image resized with fixed path from filemanager folder
			'fixed_path_from_filemanager'             => array( '../test/', '../test1/' ), //fixed path of the image folder from the current position on upload folder
			'fixed_image_creation_name_to_prepend'    => array( '', 'test_' ), //name to prepend on filename
			'fixed_image_creation_to_append'          => array( '_test', '' ), //name to appendon filename
			'fixed_image_creation_width'              => array( 300, 400 ), //width of image (you can leave empty if you set height)
			'fixed_image_creation_height'             => array( 200, '' ), //height of image (you can leave empty if you set width)
		/*
        #             $option:     0 / exact = defined size;
        #                          1 / portrait = keep aspect set height;
        #                          2 / landscape = keep aspect set width;
        #                          3 / auto = auto;
        #                          4 / crop= resize and crop;
         */
			'fixed_image_creation_option'             => array( 'crop', 'auto' ), //set the type of the crop


		// New image resized creation with relative path inside to upload folder after uploading (thumbnails in relative mode)
		// With Responsive filemanager you can create automatically resized image inside the upload folder, also more than one at a time
		// just simply add a value in the array
		// The image creation path is always relative so if i'm inside source/test/test1 and I upload an image, the path start from here
		//
			'relative_image_creation'                 => false, //activate or not the creation of one or more image resized with relative path from upload folder
			'relative_path_from_current_pos'          => array( './', './' ), //relative path of the image folder from the current position on upload folder
			'relative_image_creation_name_to_prepend' => array( '', '' ), //name to prepend on filename
			'relative_image_creation_name_to_append'  => array( '_thumb', '_thumb1' ), //name to append on filename
			'relative_image_creation_width'           => array( 300, 400 ), //width of image (you can leave empty if you set height)
			'relative_image_creation_height'          => array( 200, '' ), //height of image (you can leave empty if you set width)
		/*
        #             $option:     0 / exact = defined size;
        #                          1 / portrait = keep aspect set height;
        #                          2 / landscape = keep aspect set width;
        #                          3 / auto = auto;
        #                          4 / crop= resize and crop;
         */
			'relative_image_creation_option'          => array( 'crop', 'crop' ), //set the type of the crop


		// Remember text filter after close filemanager for future session
			'remember_text_filter'                    => false,

	);

	return array_merge(
			$config,
			array(
					'MaxSizeUpload' => ((int)(ini_get('post_max_size')) < $config['MaxSizeUpload'])
							? (int)(ini_get('post_max_size')) : $config['MaxSizeUpload'],
					'ext'=> array_merge(
							$config['ext_img'],
							$config['ext_file'],
							$config['ext_misc'],
							$config['ext_video'],
							$config['ext_music']
					),
				// For a list of options see: https://developers.aviary.com/docs/web/setup-guide#constructor-config
					'aviary_defaults_config' => array(
							'apiKey'     => $config['aviary_apiKey'],
							'language'   => $config['aviary_language'],
							'theme'      => $config['aviary_theme'],
							'tools'      => $config['aviary_tools'],
							'maxSize'    => $config['aviary_maxSize']
					),
			)
	);

Please note, the source and thumbs folder have permissions 755 set.

I know I'm doing something wrong, if you could point me in the right direction, it would be much appreciated.

BTW, I've looked at all documentation, but that doesn't mean I may have overlooked or interpreted something incorrectly.

Regards, Rich

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