fix(*): Update references to old git URL.

Removed a bunch of unused things that happened to refer to it, update
others that matter.
Merge pull request #187 from marineam/git

fix(*): Update references to old git URL.
fix(coreos-devel/coreos-buildbot): Simple build fixes.
Merge pull request #188 from marineam/build

fix(coreos-devel/coreos-buildbot): Simple build fixes.