adds a .gitkeep file to the controllers, models and services folders
fix: missed a few commas :-/
Add res.negotiate and res.ok responses.
Forgot to actually paste in the OK responder.
Add res.ok and res.negotiate response files as generate targets.
Merge pull request #3 from delight/gitkeeper

adds a .gitkeep file to the controllers, models and services folders
syntax
Merge branch 'master' of github.com:balderdashy/sails-generate-backend
Simplify