New transaction api in Django 1.6
Fix the URLs for django 1.6
Removes the deprecated markdown tag and uses the newly added rendered_body property on BlogPost
Pull all admin related code out.

Fixes #121
Pull all admin related code out.

Fixes #121

Conflicts:
	urls.py
Changes for new models
Reduce number of potential queries for headers
Make front page look nicer
Push it
New models are ready for prime-time, still need to fix up views
Added requirements.txt
Bitfields everywhere
User get_many() for headers
Remove reject-html option
Use new models to grab email body

Fixes #126
Clean HTML messages
Completely remove contact code

It was ugly and we want a separate app for it
Remove old inbox generation code in views
Remove references to contact page that doesn't currently exist.
Increase number of inboxes shown on the user home page