New metallus branch config [ci skip]
Added package for ruby 2.0 for trusty
changed base software groups
Merge branch 'production' of github.com:madebymany/ruby-package into production
moved to trusty repo
Merge branch 'ruby2.0' into production
configured trusty builds
bumped ruby version
added ruby-dev dependency
Merge branch 'production'
changed branch unstable is pointing at