Merge pull request #5 from bradjc/master

Better DB for Threads
took out db name hardcoding
Merge branch 'master' of github.com:wwhuang/fitbit_leaderboard
Fixed merge
Conflicts:
	fitbit_leaderboard.py
took out show users testing command
fixing some db typos and scaling up fitbit leaderboard graphic
temporary hardcoded font size
fixing brad's periodic db update
fixing html bugs
commiting init file for db module
fixing brad's db stuff for adding users
removing some debugging stuff
took off debug in app.run()
changin permissions
trying to add global jinja variable
added a link_root jinja variable to layout.html to account for our /fitbit routing needs. Modified the homepage a bit
fixing db path
testint fitbit's response to the callback url in the registration process
working on registration
testing fitbit's callback
finished registration mechanism change