Add VSync and fullscreen settings, fix swap chain resize and revert lighting changes

- Add VSync and Exclusive Fullscreen toggles to the graphics settings menu
- Rewrite D3D11 swap chain to use DXGI flip model with tearing support
- Fix black screen on resize by creating new swap chain instead of ResizeBuffers
- Revert conditional lighting optimization in Level::setTileAndData back to unconditional checkLight
- Revert deferred lightGaps flagging in LevelChunk::recalcHeight back to immediate lightGap calls
- Add SWF/ARC editing tools used to add new UI checkboxes

Minecraft.Client/Common/App_enums.h

@@ -178,6 +178,9 @@ enum eGameSetting
 	// PSVita
 	eGameSetting_PSVita_NetworkModeAdhoc,
 
+	// PC
+	eGameSetting_VSync,
+	eGameSetting_ExclusiveFullscreen,
 
 };