ichuang

Add primitives/Label.js from https://github.com/fourplusone/MathBox.js, extended slightly to add tangent direction for labels. Update README for Label, and build dependencies

The Message model (in django.contrib.auth), its related manager in the User model (user.message_set), and the associated methods (user.message_set.create() and user.get_and_delete_messages()), which have been deprecated since the 1.2 release, have been...