Make sure to return a value
If a request can be cached, feed from the persistent store
Don't duplicate -hasNextPage's functionality
Move things off the main queue
Clean up the error handling if the view controller was released
Reload the data views immediately after creating the data sources
Fixes a hang due to deadlock when called on the main thread
Actually call the method to clear the cache (if necessary)
Rename the key to make it's purpose a bit clearer
Move the -reloadData method to the main implementation and make it public
Override & implement the cache clearing method
Fixes a bug where 'nextPage:' wouldn't always load more
Use super's reload data method
nextPage: no longer returns a BOOL, correct the delegate interface
Merge pull request #112 from MIT-Mobile/3.6/news-data-source

3.6/news data source
Merge remote-tracking branch 'origin/3.6/ipad-news' into 3.6/ipad-news-update-stories

Conflicts:
	Modules/News/iPad/View Controllers/MITNewsiPadCategoryViewController.m