Updated the versions for ruby 1.9 and 2.0.
Updated the versions for ruby 1.9 and 2.0.

gevans/miner-install,ngpestelos/ruby-install,FreedomBen/ruby-install,postmodern/ruby-install,ngpestelos/ruby-install,boone/ruby-install,FreedomBen/ruby-install,PLOS/ruby-install,firstval/ruby-install,PLOS/ruby-install,boone/ruby-install,regularfry/ruby-install,postmodern/ruby-install,bascht/ruby-install,regularfry/ruby-install,bascht/ruby-install,firstval/ruby-install