No css js delivery via php

Updated submodule to include XML processing fixes

Use SVG icons in New file menu

Fix usersPath bug

fix thumbnail generation for subdirectories in the conflicts dialog

fix viewport size on windows phone

fix sharing unit tests

ignore optional additional config files

add unit test for \OC\URLGenerator::getAbsoluteURL

Header optimizations for mobile

Fix "headers are already sent" introduced with #6519

Remove unit tests which causes the filesystem tests to fail

Conflicts:
	config/config.sample.php

Jenkins somewhat complains that there are already sent headers.

LDAP: fix and extend tests

Move isadmin to template and rename it to oc_isadmin

fix IE10 viewport sizeing

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