-Add a DRBAPIHandler singleton class to interact with the Dribbble API
-Add an iPhone folder to the project to hold iPhone specific code
-Add a stub for DRBMainFeedViewController that will be used to show the main feed
-Show DRBMainFeedViewController when the app finishes launching
-Store the dribbble everyone feed url string in the constant DRBAPIHandlerMainFeedUrlString
-Add a stub for the DRBShot model
-Add methods to process JSON to the DRBShot model
-Add teaserImageUrlString and imageUrlString properties to DRBShot