Changed the login flow and logic so that (a) it doesn't crash if you directly go to the loggedin url and (b) to make it a bit easier to hook into the twitter authorization

Also moved some of the meta data into settings.py, rather than putting it directly into views.py
Merge pull request #1 from ajyang818/newLoginFlow

Changed the login flow and logic so that (a) it doesn't crash if you dir...