Travis CI: figured out the problem with Ruby config.  Added jruby-head.
Travis CI: figured out the problem with Ruby config.  Added jruby-head.

cavi21/Dynamoid,dnswus/Dynamoid,BilalBudhani/Dynamoid,BilalBudhani/Dynamoid,cavi21/Dynamoid,Dynamoid/Dynamoid,philipmw/Dynamoid,philipmw/Dynamoid,Dynamoid/Dynamoid,dnswus/Dynamoid