Add local db environment
Add qa db environment
Add qa staging environment
Add qa production environment
Activate environments
Set mongo as default db
Add qa testing environment
Add model hierarchy (News as sample)
Allow PUT and DELETE on singular (not plural) routes
Merge branch 'feature/model-hierarchy'

Conflicts:
	app/routes.php
Merge branch 'master' of github.com:dwsla/slender-api
Fix incorrrect repeated use of plural for OPTIONS