Merge changes from topic "GameDriver3"

* changes:
  Game Driver: process sphal libraries in GPU service
  Game Driver: Add a Settings.Global property for sphal libraries
  [Game Driver] Add global whitelist option.
  [GPU Service] Move blacklists process to GPU service.
  Split blacklist from versioned blacklists.
  Game Driver: clean up GraphicsEnvironment
  [GPU Service] Implement GPU service.