Add Cucumber
Autocreate user if an email is found
Remove reduntant step defs
Add coveralls
Add cucumber to default rake task
If a user can't be created, use the API user
Merge branch 'master' of github.com:theodi/open-data-certificate into feature-add-user-to-autogen-certificates

Conflicts:
	Rakefile
Merge pull request #884 from theodi/feature-add-user-to-autogen-certificates

Create user account for auto-generated certificates