Update golang with a lot more useful tags, since each version of the Go compiler can have its own set of quirks and features
Add ruby 1.9, reduce ruby image size
Merge pull request #161 from infosiftr/ruby

Add ruby 1.9, reduce ruby image size
Merge pull request #160 from infosiftr/golang

Update golang with a lot more useful tags, since each version of the Go compiler can have its own set of quirks and features