1. updated placeholder text so that it does not save if left unchanged. updated code to store & reference placeholder text from a constant
2. set the title of the UserBeer listView to the User’s name
3. subclassed PFUser Object & updated values on the checkOffBeerVC to reflect user names
deleted extraneous comments
fixed 2 mistakes Nick found
Merge pull request #10 from theClanApps/feature/ezra-subclassPFUser

Feature/ezra subclass pf user