…and delegate methods for showing/hiding the modal StoreKit view.
…eaving the app.
Fixes compilation for deployment target < iOS 5.
…rt's displayed, opted to rate/remind later/decline
…tion * Added ivar ratingAlert and property
…reground. *Added ability to dynamically control when rating pop ups shows. *Launches are now replaced by 'uses'. *Added support for tracking 'significant events' *More information in README.md and Appirater.h comments *Removed non-markdown README