prevent user from creating or renaming sth. to an existing filename
- show tooltip when violating naming constraints while typing
- when target filename exists on server fallback to dialog to interrupt the users flow because something unexpected went wrong
- fixes #5062
- also fixes some whitespace and codestyle issues in files js
- uses css selector over filterAttr in touched js files
Expand exception stack trace in log in debug mode
- delete properties on node delete
- move properties on node move
adding PHPDoc comments
fixing undefined variable $newname
fixing js syntax error
Merge pull request #5476 from owncloud/admin-showwarningwhenhomeexists

Added warning notification when user home already exists
Merge pull request #5473 from owncloud/files-startviewerfunc

Added FileList.setViewerMode to hide controls
Merge branch 'master' into prevent_user_from_creating_or_renaming_to_an_existing_filename

Conflicts:
	apps/files/js/filelist.js
Merge pull request #5467 from owncloud/fixing-5063-master

display the original file name - this will change in case of renames
Merge pull request #5466 from owncloud/files-thumbnailloadingdelaystyle

Fixed ugly white space while loading file thumbnail
Merge pull request #5479 from owncloud/fixing-4502-master

Fix webdav to fullfil litmus test suite
Merge pull request #5310 from owncloud/hide_filestable-header_when_empty

Hide files list header, when theres no files to see
Merge pull request #5451 from owncloud/reuse-session-ocs-master

Support existing sessions within OCS API calls
Fix namespace for OCP\Appframework\Http

To avoid having to use OCP\Appframework\Http\Http in the public - and stable
- API OCP\Appframework\Http is now both a class and a namespace.
Merge pull request #5391 from owncloud/undefined-property-in-schema-master

removing pointless calls on quoteIdentifier() - reason: name on $tableDi...
make Swift::testLocal workable by fixing the prefix used with the object listing in opendir
Revert "make Swift::testLocal workable by fixing the prefix used with the object listing in opendir"

This reverts commit b92061da5ab2d11f803731628c4304aa8cd302e3.
make Swift::testLocal workable by using a delimiter
Merge pull request #5482 from owncloud/fix_weird_http_namespace

Fix namespace for OCP\Appframework\Http