- Update the description and URL from mutter.doap
- Tighten -devel subpackage deps with _isa
- Use the %make_install macro to avoid mixed usage of $RPM_BUILD_ROOT
and %{buildroot}
- Drop 'Requires: pkgconfig' as rpmbuild generates this automatically
https://bugzilla.redhat.com/show_bug.cgi?id=1007445