Ability for the action handler to get more info on the current file

Update apps/files_versions/js/versions.js

Versioning app use new filesystem api

Update office icons

Fix "All version..." button not clickable.

Reason is Google Chrome blocking inline javascript execution.

Give storage backends the option to define having no known free space

fix erroneous CSS, remove obsolete selectors

Bug fix for Issue#1688

Fix for Undelete directory action

JSON mount config: no pretty print

Use json for new mount configuration files

files_versions no longer contains a personal settings page -> remove the...

Fix changing user password at 'Personal' page. Ref #1693

Cache: hash long storage ids to ensure they fit in the database

fix redirect, use the new routing

Sanitize html

Style cleanup files_external

Fixing 1659 master

Style cleanup user_ldap

Remove the leading slash from the filename for opendir

fix multiselect bar offset on shared page, close #1339 finally