Merge pull request #1772 from SickheadGames/develop

Sampler State Fix - trust you on this one. The only other dx platform would be windows phone right?
API fixes for latest SharpDX release.
Updating Libs submodule for latest SharpDX.
Missed a few more SharpDX API changes.
Merge pull request #1784 from SickheadGames/sharpdx

SharpDX Update