More 1.6 fixes:

* markup tags
* Upgrade packages
* Fix up API
Update packages and fix some tests.
Fix test and migration settings.
More 1.6 compat
Passing tests! :)
Small cleanup
Update packages
More upgraded packages
Upgrade nose
Remove unused requirements
Start adding py3 compatiblilty

This uses six support from django to add py3 support in addition to keeping py2
support. This doesn't support py3 fully, as some dependencies are still
blocking.
Bump package releases/changesets for py3/django support

Bumps releases/changesets for:
* django -> 1.6.5
* south
* slumber -> git PR for py3 support
* django-nose
* django-redis
* django-haystack
* django-tastypie
* django-profiles
* gunicorn
* django-redis-cache
* launchpadlib (though it still doesn't support py3)
* distutils needs py3 package still
Fixing tests on search parsing