bump Jekyll dependency to ~ 0.12.0
Merge pull request #9 from mattr-/jekyll-0.12-support

bump Jekyll dependency to ~ 0.12.0
Update rack to ~> 1.5.0

This will pull in the latest version of Rack in the 1.5 series
Update Cucumber to version 1.2.3
Update bacon to 1.2.0
Merge pull request #12 from mattr-/update-other-gems

Update other gems