Removes NSDIctionary+JSON, add GIDAAlertView
Remove JSON garbage

Also adds GIDAAlertView when sucessfully adds a story to Pocket
iPhone 5 screen support
Better gitignore
Remove Three20 from RootViewController

Removes support from Three20. Everything is done with NSArray or
NSDictionary.
Minor detail, still using Three20 to call other viewcontrollers as they
have not been updated