Implementation of Guide.ShowMessageBox() for WinRT.
Added NotSupportedException for Guide.ShowKeyboardInput() under WinRT.
Merge pull request #851 from SickheadGames/smb_fix

Guide.ShowMessageBox for WinRT
Merge pull request #836 from totallyevil/develop3d

Change for issue 835
Refactored TouchPanel to maintain seperate event list and state for touch and gestures.
Fixes the following issues:

https://github.com/mono/MonoGame/issues/770
https://github.com/mono/MonoGame/issues/801
Revert "Win8 now checks for = as well as : for a key-value seperator in it's launch parameters."

This reverts commit c432ce4b90ee32fe3648313e781235237a1789b7.
Restored "Win8 now checks for = as well as : for a key-value seperator in it's launch parameters."

This reverts commit aa7e881784340aa0750a15936ae476b4e35df5e7.
Merge remote-tracking branch 'upstream/develop3d' into develop3d
Fixed ortho projection for DX so that SpriteBatch.Draw() with depth > 0 renders.
Merge pull request #853 from SickheadGames/sprite_depth

Fixed SpriteBatch Depth Under DX (TEST ME!)
Merge pull request #849 from slygamer/content-manager-weak-ref

ContentManager uses WeakReference for list
Make the GameCenter Integration work when building and running with iOS6
Removed old EnabledGesturesChanged events which was used when we had platform specific gesture recognition.
Merge pull request #852 from SickheadGames/touch_fix

TouchPanel Fixes
Merge remote-tracking branch 'upstream/develop3d' into develop3d
Modified MetroHelper.AppDataFileExists to correctly work with files inside nested folders.
Dispose SoundEffect and Texture2D (mainly RenderTarget2Ds) properly from destructor to prevent memory leaks
After an orientation change we need to update TouchPanel DisplayHeight/Width or _touchScale will be incorrect. This fixes Portrait games on iOS5
Added code to fall back on the default graphics mode under android if it fails to create the framebuffer
Merge branch 'develop3d' of http://github.com/mono/MonoGame into develop3d
Reworking of drag classification to match WP7 behavior.