Backport of the version 1.9.5 into the Gotham tree
Merge pull request #365 from dvblogic/gotham

Backport of the version 1.9.5 into the Gotham tree
version 1.9.1.2 (Gotham)
- Added: grouping recordings by series
- Fixed: incorrect calculation of used space
- Fixed: German translation of the new functionality
small fix for settings name value
Merge pull request #382 from dvblogic/gotham

Backport of 1.9.6 into the Gotham tree