Issue 471: Support Windows 8.1 applications

Src/GoogleApis.Auth.Windows/OAuth2/AuthorizationCodeWindowsInstalledApp.cs

Index: Src/GoogleApis.Auth.Windows/OAuth2/AuthorizationCodeWindowsInstalledApp.cs
===================================================================
rename from Src/GoogleApis.Auth.WinRT/OAuth2/AuthorizationCodeWinRTInstalledApp.cs
rename to Src/GoogleApis.Auth.Windows/OAuth2/AuthorizationCodeWindowsInstalledApp.cs
--- a/Src/GoogleApis.Auth.WinRT/OAuth2/AuthorizationCodeWinRTInstalledApp.cs
 b/Src/GoogleApis.Auth.Windows/OAuth2/AuthorizationCodeWindowsInstalledApp.cs
@@ -23,13 23,13 @@
 namespace Google.Apis.Auth.OAuth2
 {
 /// <summary>
- /// OAuth 2.0 authorization code flow for a Windows 8 installed applications that persists end-user credentials.
 /// OAuth 2.0 authorization code flow for a Windows 8.1 installed application that persists end-user credentials.
 /// <remarks>
 /// This installed app class uses an internal <see cref="AuthorizationCodeInstalledApp"/> with a
 /// <see cref="Google.Apis.Auth.OAuth2.AuthorizationCodeBroker"/> for retrieving the authorization code.
 /// </remarks>
 /// </summary>
- public sealed class AuthorizationCodeWinRTInstalledApp : IAuthorizationCodeInstalledApp
 public sealed class AuthorizationCodeWindowsInstalledApp : IAuthorizationCodeInstalledApp
 {
 private readonly IAuthorizationCodeInstalledApp innerInstallApp;
@@ -37,7 37,7 @@
 /// Constructs a new authorization code for Windows Store application targeting an installed application flow.
 /// </summary>
 /// <param name="authorizationCodeFlowInitializer">An authorization code flow initializer.</param>
- public AuthorizationCodeWinRTInstalledApp(AuthorizationCodeFlow.Initializer authorizationCodeFlowInitializer)
 public AuthorizationCodeWindowsInstalledApp(AuthorizationCodeFlow.Initializer authorizationCodeFlowInitializer)
 {
 innerInstallApp = new AuthorizationCodeInstalledApp(
 new AuthorizationCodeFlow(authorizationCodeFlowInitializer), new AuthorizationCodeBroker());
@@ -47,7 47,7 @@
 /// Constructs a new authorization code for Windows Store application targeting an installed application flow.
 /// </summary>
 /// <param name="flow">An authorization code flow.</param>
- public AuthorizationCodeWinRTInstalledApp(IAuthorizationCodeFlow flow)
 public AuthorizationCodeWindowsInstalledApp(IAuthorizationCodeFlow flow)
 {
 innerInstallApp = new AuthorizationCodeInstalledApp(flow, new AuthorizationCodeBroker());
 }