Imported Upstream version 0.8.0
Merge tag 'upstream/0.8.0'

Upstream version 0.8.0
- Imported Upstream version 0.8.0
- bump standards to 3.9.6
- drop build dependency libegl1-mesa-dev, bug in Qt 5.3.0 is fixed
- Min Qt version 5.3.2
- Min liblxqt-qt5-0-dev version 0.8.0
- mangled symbols added
- lintian-overrides added
- patch some desktop files