Update Gemfiles to allow use of JRuby or Rubinius.  Update .travis.yml to include these VMs.  Add begin/rescue block to Rakefile for RDocTask
Add rescue block for 1.9.2 error
Merge pull request #100 from petergoldstein/feature/add_jruby_and_rbx_to_travis

Add support for JRuby and Rubinius specs