Make file actions permissions aware

apps/calendar/js/loader.js

apps/contacts/js/loader.js

apps/files/js/fileactions.js

apps/files/js/files.js

apps/files/templates/part.list.php

apps/files_archive/js/archive.js

apps/files_imageviewer/js/lightbox.js

apps/files_pdfviewer/js/viewer.js

apps/files_sharing/lib/share/file.php

apps/files_sharing/lib/share/folder.php

apps/files_texteditor/js/editor.js

apps/files_versions/js/versions.js

apps/media/js/loader.js

core/js/share.js

lib/files.php