Login and index view work.

Fix the docstrings.
Rename the pre_login_test view to just login. Functionality is still the same.

views.py

@@ -4,8 +4,8 @@ from django.shortcuts import redirect, render_to_response
 
 def index(request):
     '''Index page. Everyone starts here. If the user is logged in (that is, they
-    have a session id) redirect them to the follower graph view. Otherwise,
-    render the index page.'''
+    have a session id) return the follower_graph view. Otherwise, render the
+    index page.'''
     if request.method == 'POST':
         request.session.set_test_cookie()
         return redirect('login')
@@ -14,7 +14,9 @@ def index(request):
     return render_to_response('login.html')
 
 
-def pre_login_test(request):
+def login(request):
+    '''Do a quick check to make sure cookies are enabled. If so, redirect to
+    GitHub so the user can login.'''
     if request.session.test_cookie_worked():
         request.session.delete_test_cookie()
         return redirect('/login/github/')