-fixed qianno fixes #47114
-improved regex/errorhandling: fixes #47108 fixes #47110
-improved dropbox fixes #47107
-Stv: Removed some trash

git-svn-id: svn://svn.jdownloader.org/jdownloader/trunk@26185 ebf7c1c2-ba36-0410-9fe8-c592906822b4