Adding 'withoutFeature' tag, renaming 'toggle' tag to 'withFeature', @Deprecating (but not deleting) 'toggle' tag, adding featureEnabled(String) method to all controllers and services, removing code redundancy.
Making feature work correctly even when assets are reloaded; adding more examples to SampleController.groovy
Adding 'else' construct
Fixing the test
Ignoring compiled zips
Upgrading to 2.2.3
Adding grails wrapper
Merge branch 'fixing-tests' into develop

Conflicts:
	grails-app/controllers/grails/feature/toggle/SampleController.groovy
Merge commit 'f62e937ca8461e6e348d4c7722e5b38c46b9e997' into develop

Conflicts:
	.gitignore
Moving feature enhancement to the service
Reorganizing the example feature toggles
upgrade the release plugin
clean up syntax
update SampleController and make tests pass
add travis file