Finished chapter 5 "Tables"

W-w-w-wrap up
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That covers UITableView basics. You can do a world of customizations and behaviors to make them do really neat things, but I'll save that for a more in-depth writeup someday.

What did we actually learn today?
 * UITableViews display rows of similar looking data in an efficient manner.
 * UITableViews have a dataSource for supplying information and a delegate for managing user behavior and look-and-feel.
 * The dataSource has two required methods, numberOfRowsInSection and cellForRowAtIndexPath. cellForRowAtIndexPath should return an instance of UITableViewCell, customized for that particular row.
 * You can use the delegate method didSelectRowAtIndexPath to determine what happens when a user taps a row.

Fixes #6