checkpoint on mongo-deli-counter. A couple of tests passing. Still incomplete.
checkpoint commit. Initial set of tests all pass.

API changed quite a bit from the redis-deli-counter
better encapsulation of internal functions. doc string updates.
optimize to only make one DB call per add
more tests and correct functionality for the MongoDeliCounter. jshint cleanup. RedisDeliCounter deactivated for now.
file names match class names. README updates.