Add checking for screen size for using different photo formats (sizes) in different devices
Change MAX_STORAGE_COUNT in PhotoList view controller to 16 recent photos
Improve SPTNetworkActivityIndicatorManager documentation
Improve overall documentation and implement Recents storage with plist file
Improve documentation
Replace NSUserDefaults usage with SPTPhotoStorageManager class
Improve naming
Add constants header
Add fetching to SPTImageCache
Add FlickrAPIKey.h file
Modify git ignored files
Remove FlickrAPIKey.h