Ubuntu Apache vhost config example
Update old-style open311 script to use bodies.

Add some comments to the top of the open311 bin scripts.
Mock a date for dashboard tests

Fixes #365 (how appropriate) by mocking datetime to allow the
dashboard test's assumptions (that we're not so near beginning
of year that a report from X days ago isn't still in same year)
to hold.
If we only have one real category option, automatically select it.

Fixes #690.