Added num_pbs to games.Games since gamelist loads too slowly when not in memcache
Removed some unnecessary stylings that did nothing
Added ability to edit date of runs, plus displaying date on runner, game pages
Fixed sorting in memcache of runlist_for_runner
Updated pblist sorting
Fixed bug on submit page for first time submitters
Added some safety precautions against missing dates, in preparation for making dates optional
Added more boxart
One more boxart
Fixed date bug with dates < 1970
Date is now optional