Fix blank chown during update of owncloud
Fix UTF-8 and box drawing in mc

Just like a3c1e70b66e48786e379514c7f9dea00237f3723 it fixes display of special characters. Box drawing in UTF-8 is workaround especially for
PuTTY on Windows but terminal emulators from this century should't have problems with this option (linux ones work fine). It should resolve #461.
Add update notice for CouchPotato
Fix checking bad username to detect DSM 4.3 in rutorrent
Merge remote-tracking branch 'upstream/develop' into develop