Some minor re-wording of various views
Makes the auction setup RESTful

Instead of using session variobles that are passed around everywhere, we
use RESTful urls to describe the auction creation process.
Making the code pep8 compliant

I ran flake8 on the code and fixed most of the errors except for line
length and continuation indentation errors.

I also refactored how lookup_or_404 works to use the db session method
instead of using the raw sqlalchemy objects
Merge remote-tracking branch 'upstream/master' into add_oauth

* upstream/master:
  Making the code pep8 compliant
  Makes the auction setup RESTful
  Some minor re-wording of various views

Conflicts:
	splitit/templates/homepage.html
	splitit/web.py