reduce width of searchbox on mobile, fix overlap, fix #7282
move avatar into clickable area of user menu
do not show display name on mobile when profile picture is present
restrict zooming in to not mangle layout accidentally
remove additional transition rule, reduce width of collapsed search bar
add unit test for \OC\URLGenerator::getAbsoluteURL to verify #6935
Move session_regenerate_id to `login()`
Remove `session_id_regenerate` from here

Jenkins somewhat complains that there are already sent headers.
Remove unit tests which causes the filesystem tests to fail
Merge pull request #7348 from owncloud/remove-problematic-test

Remove unit tests which causes the filesystem tests to fail
Merge branch 'master' into patch-headers-already-sent
Merge pull request #7347 from owncloud/patch-headers-already-sent

Fix "headers are already sent" introduced with #6519
Merge branch 'master' into mobile-header
Merge pull request #7309 from owncloud/mobile-header

Header optimizations for mobile
Merge pull request #7337 from owncloud/test_for_6935

add unit test for \OC\URLGenerator::getAbsoluteURL
Merge branch 'master' into no-css-js-delivery-via-php