Add a bug table, and methods to populate it.

Note: Nothing calls these yet.
Let us switch the feature on based on team.
Call get_postbugs in the right places.
Fix up the postdate to match the database version.
Merge branch 'master' into buglist
Getting closer…
Get the current bugs from bugzilla.
Add bugmail addresses, and ignore virtualenv bits.
Use the buglist to find people's bugmail address.
Send both the status address and the bugmail address as the assigned to.
Get the current iteration and days left.
Add radio buttons, and do some small styling fixes.
Use Marco's iteration date page to figure out what iteration we're in, and how many days to go.
Parse bug status form elements.
Store bug titles and statuses in the database.
Get bug statuses out of the database, and populate the radio buttons.
Merge branch 'master' into buglist
Move the firefox-team specific stuff to a new template.
Handle the case where there are no bugs.
Start to think about showing the bugs on the preview page.