* Add ISystemDisplayService::GetDisplayMode & IManagerDisplayService::SetLayerVisibility
Also add some missing PrintStub calls
* Fix import ordering & Fix incorrect value for the third word in GetDisplayMode
* Initial implementation of NvMap/NvHostCtrl
* More work on NvHostCtrl
* Refactoring of nvservices, move GPU Vmm, make Vmm per-process, refactor most gpu devices, move Gpu to Core, fix CbBind
* Implement GetGpuTime, support CancelSynchronization, fix issue on InsertWaitingMutex, proper double buffering support (again, not working properly for commercial games, only hb)
* Try to fix perf regression reading/writing textures, moved syncpts and events to a UserCtx class, delete global state when the process exits, other minor tweaks
* Remove now unused code, add comment about probably wrong result codes
* Add support for events, move concept of domains to IpcService
* Support waiting for KThread, remove some test code, other tweaks
* Use move handle on NIFM since I can't test that now, it's better to leave it how it was
* implement basic frame time stats
* added game frame time
* made performancestatictics class non-static
* report average framerate instead of current framerate
