Throw NotImplementedException for two of the graphicsdevice methods that are unimplemented on PSM, instead of silently failing.
Handle more vertex formats on PlayStation Mobile.
Implement GraphicsDevice's DepthStencilState, RasterizerState, Textures and SamplerStates properties on PlayStation Mobile.
Correct the number of texture stages on PlayStation Mobile.
Implement DepthBufferEnable and StencilEnable on PlayStation Mobile.
Add missing Enable calls on PlayStation Mobile
Implement GraphicsDevice.Viewport on PlayStation Mobile
Merge branch 'psm_api_completeness' of https://github.com/kevingadd/MonoGame into kevingadd-psm_api_completeness
changes from dominique and a change to work around an NRE.
Merge pull request #1811 from mono/develop_pr_1603

Update of PR 1603. This one is really @kevingadd and @cartblanche.