Fixed bug were Texture3D.Format was not set.
Initial implementation of RenderTarget3D for DX.
Disabled RenderTargetBinding to RenderTarget3D for non DX builds.
First pass at implementing GetData for PSM. Works for me here, but may need further tweaks for others.
Added Handle propery to GraphicsDevice.
Merge pull request #1600 from CartBlanche/PSMTexture2DGetData

First pass at implementing GetData for PSM.
Merge pull request #1607 from Shqrdx/handle_branch

Handle to Device property for GraphicsDevice.
Merge branch 'develop' into rt3d
Merge pull request #1549 from SickheadGames/rt3d

RenderTarget3D for DirectX
Merge remote-tracking branch 'upstream/develop' into develop