update German Readme and some small English Readme fixes
Add bluecloth to Gemfile
Add therubyracer gem to Gemfile
Silence Rack::Session::Cookie warnings when running the tests
examples/chat.rb is not working
Fix Gemfile source
currently this demo is not working, this is because when $("form") bind "submit" event, the form tag is not in DOM yet. Need to move form before the binding.