Fix issues on course creation and donation pages. NEW SLIDER YEAH
Fix slider for admin course review
Footer powerup
Use django-athumb library for s3 image uploads with multiple sizes.

Making this library work needed some hacking, this is seriously like the
ugliest thing in the project sigh
Separate buckets for course materials and images yay
Hack seed data script to properly set pictures
Merge pull request #108 from calblueprint/refactor

Refactor Part Deux