Corrected init of selected items in SelectableList
Navigation
Sync DelegateCommand
Navigation
List folders/files in StorageManager
InsertSorted list extension
Extra default mehtods on base view model + calls from base page
Extended Grid and ListView + String extensions cleanup
Extended grid/list dep prop bug
Added property to SelectableList to determine whether the order of items is preserved when they are added to the selection
Add property to prevent ExtendedSplashScreen from advancing automatically to next page
Changed SmartDispatcher interface to detect initialization
Added attached properties to manage a Control's Visual State