Switch to playdoh-lib instead of affiliates-lib for vendor.
Update manage.py and playdoh.wsgi to match new playdoh.
Remove unused Vagrant file.
Move apps and settings files into affiliates module, and other fixes.

- Remove the click goal admin filter because admin filters changed in
  Django, and we're going to be using Google Analytics for tracking and
  viewing click stats in the new site anyway.
- Remove monkeypatch for making stats admin work, and instead use an
  AdminSite subclass.
Remove tmp folder.
Remove jingo from vendor-local, use playdoh-lib's version instead.
Move static files to static and templates to shared/templates.
Replace jingo.render with django.shortcuts.render.
Clean up settings files a bit.
Replace direct use of MEDIA_URL with static helper.
Small fixes to get base app working.
Update deprecated imports.
Update locale field import path in migrations.
Fix import paths in various tests.
Wipe out the mothership and replace it with a base app.

Because fixing tests that were going away anyway is silly.
Tweak existing tests and files to work now that mothership is gone.
Switch to Pillow in place of PIL.
Update jenkins test script.
Fix Facebook tests to work even when locale directory isn't filled.
Install django-mptt.