change rspec formatter under jruby so travis will see status

Rakefile

@@ -10,6 +10,8 @@ end
   
 RSpec::Core::RakeTask.new(:spec_with_chrome) do |t|
   t.rspec_opts = %w[--color]
+  #jruby buffers the progress formatter so travis doesnt see output often enough
+  t.rspec_opts << '--format documentation' if RUBY_PLATFORM=='java'
   t.pattern = './spec{,/*/**}/*{_spec.rb,_spec_chrome.rb}'
 end