Partially-implemented polling
Ballot submission and basic retrieval
Polls now rendered by template
Comment polls display when you submit
Polling bug fixes, different poll types
Poll descriptions now a regular part of the comment rather than tied to
the poll. Added 'raw data' link.
Bars for scale and multiple choice polls
Implemented 'vote anonymously' checkbox
Removed an unnecessary div
Added poll docs to the comment Help link
Added a br between 'vote anon' checkbox and submit button
Merge branch 'head'
Eliminated Python 2.6 dependency (now back to needing only 2.5)
Merge branch 'master' into staging
Merge branch 'master' into staging
Merge branch 'master' into staging
Merge branch 'master' into staging
Merge branch 'master' into staging
Merge branch 'master' into staging
Merge branch 'master' into staging