* added models and controllers for file sharing
Merge branch 'develop' into Features/file_sharing
Merge branch 'develop' into Features/file_sharing
modifying folders to fix creation of a folder in php code
	new file:   Public/Apps/FileSharing/Collections/Files.js
	new file:   Public/Apps/FileSharing/Collections/Folders.js
	new file:   Public/Apps/FileSharing/Models/File.js
	new file:   Public/Apps/FileSharing/Models/Folder.js
	new file:   Public/Apps/FileSharing/Views/ChooseFileView.js
	new file:   Public/Apps/FileSharing/Views/ChoosePeopleView.js
	new file:   Public/Apps/FileSharing/Views/DragDropView.js
	new file:   Public/Apps/FileSharing/Views/FolderView.js
	new file:   Public/Apps/FileSharing/app.js
	new file:   Public/Apps/FileSharing/router.js
	modified:   App/Views/Layouts/default.html.twig
	modified:   Public/Apps/Common/main.js
	modified:   Public/Apps/FileSharing/Collections/Files.js
	modified:   Public/Apps/FileSharing/Collections/Folders.js
	modified:   Public/Apps/FileSharing/Models/File.js
	modified:   Public/Apps/FileSharing/Models/Folder.js
	modified:   Public/Apps/FileSharing/Views/ChooseFileView.js
	modified:   Public/Apps/FileSharing/app.js
	modified:   Public/Apps/FileSharing/router.js
	modified:   Public/css/default.css
Modifications on PHP controllers to display children folders. Need to change JS Models
JS Models Modified
* Started working on file sharing improving
Merge branch 'develop' into Features/file_sharing

Conflicts:
	Public/Apps/Common/main.js
* Working on fs
Merge branch 'develop' into Features/file_sharing
* Webservices improvements. Seem to work
* Interface for file sharing. Folder browser working
* Folder creation and file send done for file_sharing
* Correction on folder creation, reload of folder browser
* Added images for file & folder
* Sharing for user to user done, working on auto refresh
* Attempted to allow subfolder share
* Corrected problems for subfolders sharing
* Modified file sharing interface