-improved regex/errorhandling: fixes #11390
-added uploadablech premium support
-added another nowvideo domain

git-svn-id: svn://svn.jdownloader.org/jdownloader/trunk@24471 ebf7c1c2-ba36-0410-9fe8-c592906822b4
Added: nowvideo|nowdownload .at correctly, looks like atm still in maintenance mode. - re: http://board.jdownloader.org/showthread.php?p=289306#post289306

git-svn-id: svn://svn.jdownloader.org/jdownloader/trunk@24472 ebf7c1c2-ba36-0410-9fe8-c592906822b4