bundle wrapper wants a jruby on the PATH
bundler wrapper expects jruby in PATH
actually set the ruby version
Merge branch 'add_jruby_wrapper' into add-jruby-wrapper

* add_jruby_wrapper:
  actually set the ruby version
  bundle wrapper wants a jruby on the PATH

Conflicts:
	bin_files/jruby.erb
Fix rake version detection

Imprecise regex detected gems that were not rake, ie. 'guard-rake'
Use more ERB to make the deployed script static.
fix Gemfile path
Merge pull request #22 from square/fix-rake-detection

Fix rake detection