Pick up omnibus 3.1.0.
Update the omnibus build commands with the 3.1.0 CLI syntax.
Use the default version of nokogiri.
Turn out output during build.
Restore the overwritten Chef Client MSI src.
Pick up sersut/omnibus-310 and latest in omnibus-ruby.
Merge pull request #165 from opscode/sersut/omnibus-310

Chef CI Issues