Upgrade to rspec 3beta
Refactor stub in favor of allow (new syntax)
Fix deprecated syntax warning for any_instance.
Update travis config with ruby 2.1.0
Merge pull request #34 from orendon/latest-rspec

Latest rspec syntax and fix warnings
Tell travis to install gosu dependencies before running the build
Setup travis to run rspec under bundler scope
Merge pull request #36 from orendon/fix-travis-build

Tell travis to install gosu dependencies before running the build
Add travis CI icon to README.md