Allow passing a root folder to get the used space from in the quota wrapper

Improve users list scrolling performance

remove fix for IE9 nav bar width

Correctly redirect to settings page when not selecting cert file for upload

LDAP: prevent other configuration from being deleted when deleting the f...

Remove no longer needed if statement

mount: make location of mount.json configurable

Add missing slash in URLGenerator::getAbsoluteURL().

Fix filetype icons

Jakobud core css logos

Removed '/'. Fixes #7035.

Conflicts:
	core/css/styles.css

Security Update: session fixation

fix master - #7274 brokes it

clean up the sharing ajax calls, add mail notification class

Added extra checks for invalid file chars in newfile.php and newfolder.php

Hardening: Remove dangerous characters + Subdirectory Check

An admin should not be able to add remote and public services on its own

Optimize images

This reverts commit 9e9a5b9e.

Unit tests weren't ready, need further tweaking.

LDAP: improve compilation of filters

Added extra checks for ext storage class

and strip metadata from png images with optipng in image_optimization.sh

Fixed ext storage webdav path encoding

- Some WebDAV servers like lighttpd need paths in URLs to be properly
encoded
- Added error log output when curl connection failed
- Added check for 'resourcetype' in case the WebDAV server doesn't
  support/return it
- Fixed touch() to return false if the server doesn't implement
  PROPPATCH
- Added optional delay in WebDAV unit tests to use when testing against
  lighttpd's WebDAV

Fix #5463

If an user is able to create folders in /core/l10n/ he is able to execute arbitrary code. Therefore I've added an `issubdirectory` check and removed all potential dangerous characters from `$lang`.

Do not send file list for select all on Download/delete