add new use and login classes, handlers, and templates
remove gets and begin transitioning to pure api
add get facebook and twitter user info handlers
add google, khanacademy, foursquare user connection
add beginnings of data-import classes
add (incomplete/incorrect) fibit user-data import
add fitbit sleep data import
add beginings of foursquare input.
build out foursquare import (incomplete)
forgot to save handlers.py.  see previous message
add first round of foursquare integration.  additions/changes needed
merge signup-test