Update to 2.1.0, add upstream patch to fix FTBFS (#1307698)
* Sun Feb 14 2016 Kevin Kofler <Kevin@tigcc.ticalc.org> - 2.1.0-1
- Update to 2.1.0
- Update URL from SourceForge to https://userbase.kde.org/Krecipes
- Drop BR qimageblitz-devel, not used anymore
- Backport upstream patch to fix FTBFS with GCC 6 (#1307698)