[ADD] Added LoginUriMapper
[MOD] On app launch navigation to MainPage.xaml or LoggedIn.xaml dependent on user info in ApplicationSettings.cs
Code review comment
Merge branch 'wp8_wip_logic' into wp.logon.pages

Conflicts:
	windows-phone-client/Ctf/Ctf/Pages/LoggedIn.xaml.cs
	windows-phone-client/Ctf/Ctf/Pages/MainPage.xaml.cs