Cleanup formatting of media app.
Basic read-only MediaWallPost API, front-end and Admin.
Cleanup WallPosts Admin.
Remove Messages model from Projects as it's a TextWallPost
Allow text wall posts to have a null author.
Implement suggestions from @gannetson's review.
Add newline to admin.py.
Merge pull request #144 from onepercentclub/wallposts-mediawallposts

Basic read-only MediaWallPost API, front-end and Admin.
Add css style for not impemented stuff
Merge pull request #145 from onepercentclub/not-implemented-style

Add css style for not impemented stuff
Use the bluebottle integration branch for polymorphic.
Use polymorphic zip from specific git id to avoid caching problems.
Don't run the polymorphic tests for now.
Change css files back to using css directory.
Update to Django 1.4.3.
List multiple wallpost types in API.
Add manager for wallpost and make things more consistent.
Merge pull request #148 from onepercentclub/wallposts-add-manager

Wallposts add manager
Remove old css files that aren't currently used.
Allow IP to be Null in wallposts