adding environments to heroku task
trying to figure out how to get the node_env
doing some debugging
adding call to install grunt
turning off production mode for npm. We have dev dependencies
trying out heroku config vars again
adding some debugging to figure out how to get the env vars
updating README. It works with config vars now. Booya
Changing README to show environment grunt examples
Merge pull request #3: support for NODE_ENV config var, use heroku:production and heroku:development as grunt task names
updated readme