Navigation Bar and Table View for Roster

Preliminary table view for first tab, but there is a run-time error. Cannot figure out the problem.
Continuing what I said above, what does this "5" mean? If you're coming into this program without any context, you might not know and you'd be really confused (this person might be you in X months or years when you're coming back into this code to fix a bug :) ). This "5" is actually the number of starters, right? So if you expect this number to never change (pretty valid assumption, methinks), I would name another constant after it and reference that:

```
static const NSUInteger kNumberOfStartersOnATeam = 5;
```