Add our own login form

We gain multiple things with this, but the main point is to do audit logging in case a valid user
enters an invalid password.

calsocial/__init__.py

@@ -75,6 +75,7 @@ class CalendarSocialApp(Flask):
     """
 
     def __init__(self, name, config=None):
+        from .forms import LoginForm
         from .models import db, User, Role
         from .security import security, AnonymousUser
 
@@ -91,7 +92,7 @@ class CalendarSocialApp(Flask):
         babel.localeselector(get_locale)
 
         user_store = SQLAlchemyUserDatastore(db, User, Role)
-        security.init_app(self, datastore=user_store, anonymous_user=AnonymousUser)
+        security.init_app(self, datastore=user_store, anonymous_user=AnonymousUser, login_form=LoginForm)
 
         self.context_processor(template_vars)