Upgrading to libgit2 0.19 (wip)
Upgrading to libgit2 0.19 (wip)

Removed:

- Remote.fetchspec

Added:

- Remote.refspec_count
- Remote.get_refspec(n)
added some quick examples to documentation
Comment the remote test that segfaults

See libgit2/libgit2#1692

To uncomment whenever libgit2 0.20 is released
restructured recipes
Fix unit test in config
Merge remote-tracking branch 'jim/master'
Comment broken tests

And make clone_repository to give more informative errors.