iPhone: BigNerd: Whereami: Update UI with MapView, activity indicator, and location text
iPhone: BigNerd: Whereami: Display current location on the map
iPhone: BigNerd: Whereami: Make the map center on new location with some animation
iPhone: BigNerd: Whereami: Adding a class that conform to MKAnnotation protocol so we can show it in map view
iPhone: BigNerd: Whereami: Add the pin and when tab it display the name that user just entered