pkgwat: remove gem2rpm comment

There's not much use in keeping this old comment around.
pkgwat: update to 0.1.4

- Update to 0.1.4
- Drop upstreamed debugger gem patch
- Drop BR: ruby, since BR: ruby(release) provides the same thing
- Fix gem_dir macro in comment to satisfy rpmlint
Merge pull request #7 from ktdreyer/pkgwat-014

update pkgwat to 0.1.4