WinRT: fixed bug whereby SDL would override an app's default orientation

WinRT apps can set a default, preferred orientation via a .appxmanifest file.
SDL was overriding this on app startup, and making the app use all possible
orientations (landscape and portrait).

Thanks to Eric Wing for the heads up on this!

premake/projects/SDL2test.lua

@@ -0,0 +1,28 @@
+-- Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+--
+-- This software is provided 'as-is', without any express or implied
+-- warranty.  In no event will the authors be held liable for any damages
+-- arising from the use of this software.
+--
+-- Permission is granted to anyone to use this software for any purpose,
+-- including commercial applications, and to alter it and redistribute it
+-- freely.
+--
+-- Meta-build system using premake created and maintained by
+-- Benjamin Henning <b.henning@digipen.edu>
+
+--[[
+SDL2test.lua
+
+	This file defines the SDL2test library. It depends on the SDL2main and SDL2
+	projects. This library contains a series of test functions used by many of the
+	other test projects, so it is one of the main dependencies for much of the
+	test suite.
+]]
+
+SDL_project "SDL2test"
+	SDL_kind "StaticLib"
+	SDL_language "C"
+	SDL_sourcedir "../src"
+	SDL_projectDependencies { "SDL2main", "SDL2" }
+	SDL_paths { "/test/" }