Allow anonymous user access to the site. Requires guest_courses.xml and info/guest_updates.html to be set created in the data repository

Update location of JS assets for local debugging (most envs use S3), remove old link to 3rdParty repo (which is no longer used)

--HG--
branch : pmitros-dormsbee-settings2
rename : settings_new_askbot.py => settings.py

--HG--
branch : pmitros-mod-template

--HG--
branch : pmitros-mod-template

--HG--
branch : bridger-dev

--HG--
rename : user/__init__.py => student/__init__.py
rename : user/migrations/0001_initial.py => student/migrations/0001_initial.py
rename : user/migrations/0002_text_to_varchar_and_indexes.py => student/migrations/0002_text_to_varchar_and_indexes.py
rename : user/migrations/__init__.py => student/migrations/__init__.py
rename : user/models.py => student/models.py
rename : user/tests.py => student/tests.py
rename : user/views.py => student/views.py

--HG--
rename : auth/__init__.py => user/__init__.py
rename : auth/tests.py => user/tests.py
rename : auth/views.py => user/views.py