Update Belarusian translation on v3_0_x
Sync with master branch
Small fix for RU translation
Merge pull request #817 from kraleksandr/v3_0_x

Sync with master branch
Merge pull request #814 from meequz/v3_0_x

Update Belarusian translation on v3_0_x
Updated spanish translation by alfrix.
Remove unnecessary code from qbtsession.
Make possible to move file to .unwanted directory after downloading
Enable edit/rename via F2 or double click in various places
Show delete action when multiple feeds are selected
Use Unicode for libtorrent alert messages.

Conflicts:
	src/qtlibtorrent/qbtsession.cpp
Don't force stacktrace with mingw
Updated NSIS script.
Updated changelog.
Updated translations.
Bump to v3.0.11