feat(Simulator): allow the simulator to lock the cursor when in use
feat(Simulator): allow the simulator to lock the cursor when in use

thestonefox/SteamVR_Unity_Toolkit,virror/VRTK,gomez-addams/SteamVR_Unity_Toolkit,adamjweaver/VRTK,Fulby/VRTK,mattboy64/SteamVR_Unity_Toolkit,TMaloteaux/SteamVR_Unity_Toolkit,gpvigano/VRTK,thestonefox/VRTK,red-horizon/VRTK,gpvigano/SteamVR_Unity_Toolkit,Innoactive/IA-unity-VR-toolkit-VRTK