edx/edx-platform — pull request #216 by nedbat (2013-06-19 20:59:43+00:00)
Title: Ned/remove unused imports

A few things:
1) Tweak pylintrc to complain about fewer things
2) Remove tons of unneeded imports: mostly this is just removing imports, but in a few places, I had to fix imports, or add pylint silencing.
3) Make strings raw where they need to be.

@cpennington @dianakhuang ?