added applicationDidEnterBackground & applicationWillEnterForeground for test
added 'self.mapView:setDelegate(self)' to make other MKMapViewDelegate function works, it is the most important
using uncrustify to format source and fix several warnings
added Default-568h@2x.png
remove a space character
initWithLatLong(self, lat, long) must return self, and setTitle(self, title) and setSubTitle(self, subtitle) should not return anything
upgrade the project file from 'Xcode 3.1 compatible format' to 'Xcode 3.2 compatible format'
using uncrustify to format source
using uncrustify to format source
using uncrustify to format source