[MOD][DEL] Delete page LoadingScreen.xaml ; Disable BackKey on LoggedIn.xaml; no login validation on mainpage
[ADD] Added waitindicator on MainPage.xaml and Register.xaml
[MOD] Change walidation on MainPage.xaml.cs and Register.xaml.cs
[ADD] Added Panorama Control in MainPage.xaml: Logging and Registration as PanoramaItems.