Merge branch 'HapticChanges' into 'master'

Examples/BoneShaving/BoneShavingExample.cpp

Examples/CameraController/CameraControllerExample.cpp

Examples/ObjectController/ObjectControllerExample.cpp

Examples/OpenVRController/OpenVRControllerExample.cpp

...idBodyVirtualCoupling/RigidBodyVirtualCouplingExample.cpp

Examples/VirtualCoupling/VirtualCouplingExample.cpp

Source/Common/imstkEventObject.h

Source/Devices/imstkDeviceClient.h

Source/Devices/imstkHapticDeviceClient.cpp

Source/Devices/imstkHapticDeviceClient.h

Source/Devices/imstkHapticDeviceManager.cpp

Source/Devices/imstkHapticDeviceManager.h

Source/Devices/imstkOpenVRDeviceClient.cpp

Source/Devices/imstkOpenVRDeviceClient.h