Add Gherkin (Cucumber) to grammars.coffee
Update README.md with Gherkin
Create examples/addition.feature
Fix a typo; s/†/‡/
Explicitly set the cucumber load path
Revert load path
Create a cucumber features directory under examples
Update README.md
Merge branch 'master' into gherkin-support

Conflicts:
	README.md
Merge pull request #96 from erran/gherkin-support

Add Gherkin (Cucumber) support
Update CHANGELOG for 2.3.1
Prepare 2.3.1 release