remove category MATE
Merge pull request #10 from NiceandGently/master

remove category MATE from desktop file
Merge pull request #9 from eyelash/master

Replace some deprecated code
Add transifex configuration file
Sync translations with transifex
Bump version to 1.5.1
"Removed ChangeLog"
Added empty ChangeLog.
Preparing for 1.6.0 release.