Change folder and rigth shared by link icons
Thumbnail for local images
Thumbnail preview
Thumbnail in ListView
Thumbnail generation in ListView
Remote fetch of thumbnail
Thumbnail
Merge branch 'develop' of https://github.com/tobiasKaminsky/android into develop

Conflicts:
	src/com/owncloud/android/ui/adapter/FileListListAdapter.java
Update thumbnails
Added x and y to specify maxX and maxY in route.
Add into file_actions_menu xml the 'move' option
Modify FileMenuFilter class for showing move option when it is appropiate
Add new activity for selecting the destination folder when moving files, including new List Fragment and new Adapter for listing only the folders
Updated navigation elements of action bar and some clean-up in MoveActivity
Some clean-up and refactoring in fragments listing files
Refactored MoveActivity and friends to remove duplicating classes MoveFileListFragment and FolderListListAdapter
Perform creation of new folder in MoveActivity
Added MoveFileOperation to move OCFiles
Start MoveFileOperation when 'Choose' button is clicked [Work In
Progress!]
Trigger MoveFileOperation when 'Choose' button is clicked