Use medium log format

Yields the necessary "Date: " format.
Closes #34
Limit the # of links allowed in event description

Closes #32
Fix typos in too many links flash
Merge pull request #35 from jc00ke/fix-git-log-format

Use medium log format
Merge pull request #36 from jc00ke/limit-number-links-in-desceiption

Limit the # of links allowed in event description
Fix too_many_links checking when updating events

The spec wasn't actually testing the update action, and the update
action hadn't updated @event at the time of the check, leading to
some confusion.
Fix events/_item for events with no end time

We don't actually require end times on events, though our form strongly
encourages it. The recent update to add schema.org markup assumed that
end_time would always be present. This was a fairly safe assumption, 
given that we haven't noticed it in production until now. :)
Merge pull request #38 from reidab/fix_event_show_with_no_end_time

Fix events/_item for events with no end time
Merge pull request #37 from reidab/fix_too_many_links_on_update

Fix too_many_links checking when updating events
Match any case of http

Related to #41