Large update dark schema

The new ACL and some minor things still needs to be done. Style.css and style.php will follow.
Needed for large update dark schema.
Needed for large update dark schema and minor fixes default.
tag anyone
Merge https://github.com/friendica/red into pending_merge
The comment submit button seems to have drifted into some strange place
Merge pull request #414 from jeroenpraat/patch-2

Large update dark schema
Doco - Add some troubleshooting for 0 byte files in Davfs2