Mark as postseason

[jmislansky]

In a previous version, the lines from the schedule tables that said conference tournament or NCAA tournament still existed so it was easy to determine which games were post-season. A useful future change would be to mark if conf or NCAA tournament. Can be done with the current data just by looking at the dates, and tacking on, but would probably be easier to do in the code before the rows with tournament in them are dropped.