Update docs/settings.rst

Fixed typo
Merge pull request #2 from dmishe/patch-1

Update docs/settings.rst
``get_rating_site`` provider method now defaults to ``settings.SITE_ID`` instead of ``None``.
doc fixes
updated apidoc
moar docs
allow use of strings as sites' pk
explicitly named celery tasks. Thanks Kirill Zaitsev.
store per-object cache. Thanks Kirill Zaitsev
Fix for tests if recommends_precompute is None. thanks Maxim Gurets
updated docs
Merge branch 'refs/heads/develop'
replaced instances of dict() with generators
django1.5/py3k compat
moved example_app into tests
added note on how to install with pip
fixed relative import in tests
Revert "replaced instances of dict() with generators"

This reverts commit 7272962fee1ae5cafd898661efe47fb56dcfca45.
preparing for release 0.0.12
Merge remote-tracking branch 'origin/develop'