ColPack-1.0.10-bp152.3.19

- Update to 1.0.10. For changes, see:
  https://github.com/CSCsw/ColPack/compare/6fed3fdf83c36a19364c358e75575cb51f6200db...v1.0.10
- Use new homepage and Github repo
- Remove colpack-return-in-non-void.patch, fixed in commit:
  5ebede191a2f005f9630b3f5989db248f6626d2f
- Remove gcc6-fix-errors.patch, merged:
  https://github.com/CSCsw/ColPack/pull/11
- Clean with spec-cleaner

- Add gcc6-fix-errors.patch to remove errors seen by GCC6.