adding configuration for travis-ci
adding rake to the Gemfile
fixing coffee script integration test that was reliant on test execution order
running build using rake task
upgrading to capybara 2.0.2
using sh instead of system in Rakefile and failing if a command fails
updating browser_steps.rb for syntax changes in childprocess 0.3.7
test against multiple jdk versions
Merge pull request #137 from klieber/topic/travisci

Use TravisCI for continous integration - @klieber freaking rocks.