- added preprocessors and postprocessors for
User model to convert data passed along ember and flask
in proper format

- fixed bug relating to SQLAlchemy:
	- all models in flask were initializing its own
	db variable
	FIX: moved db to __init__.py for models package

- added editing functionaly for models in ember.js
and tested its communication with postgres database

- found a way to run flask in debug mode
	- app.debug = true