[packaging] drop .yaml from packaging.

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>
[packaging] Fix rpm preun/post/postun scripts.

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>
Merge pull request #26 from mer-packages/packaging

Packaging