Merge pull request #28 from infirit/master

Mate 1.5 cleanups and version bumps
Merge pull request #29 from infirit/master

Mate 1.5 version bumps
mate-themes-1.5.2: src_prepare cleanup

Mate renamed the themes so they do not collide with gnome.
src_prepare was already commented because of this.
Now we get rid of it completely.
Merge https://github.com/Sabayon/mate-overlay