app restructure
huge changes
- now using config file
- unit testing chocolate retrieval
adding procfile for heroku
progress
upgrading package.json node engine
adding test cases for saving chocolate data
ensuring data is persisted in db
adding tests to test whole flow
adding route for starting get data
progress -broken
cleanup using .jshint
Merge branch 'mongo'

Conflicts:
	package.json
cleanup
defensive config
adding tests for leaderboard (tests failing)
get leaderboard is now working
progress
progress with base model
finish baseModel inheritence
finish baseModel inheritence