Prox sensor re-integration (#220)

* added arbitrary orientation change

* removed commented code

* updated to OVR 1.4.18

* changed two instances using new to init via array

* moved prox sensor action to haptic instead of Misc

* fixed json file, added prox sensor back for mic mute/un-mute

* added proximity sensor to audio and haptic chaperone warnings

* fixed fall-through behavior

* removed bad prox code

src/tabcontrollers/AudioTabController.cpp

@@ -172,43 +172,6 @@ void AudioTabController::eventLoopTick()
 
     if ( settingsUpdateCounter >= k_audioSettingsUpdateCounter )
     {
-        // Not usable until OpenVR 1.4.x?
-        // Will require updates to action based system
-        /*
-        if ( m_micProximitySensorCanMute )
-        {
-            vr::VRControllerState_t controllerState;
-            if ( vr::VRSystem()->GetControllerState(
-                     vr::k_unTrackedDeviceIndex_Hmd,
-                     &controllerState,
-                     sizeof( vr::VRControllerState_t ) ) )
-            {
-                if ( ( controllerState.ulButtonPressed
-                       & vr::ButtonMaskFromId( vr::k_EButton_ProximitySensor ) )
-                     == 0 )
-                {
-                    if ( !m_micMuted )
-                    {
-                        setMicMuted( true );
-                    }
-                }
-                else
-                {
-                    if ( m_micMuted )
-                    {
-                        setMicMuted( false );
-                    }
-                }
-            }
-            else
-            {
-                if ( !parent->isDashboardVisible() )
-                {
-                    LOG( ERROR ) << "Could not read proximity sensor!";
-                }
-            }
-        }
-        */
         vr::EVRSettingsError vrSettingsError;
         char mirrorDeviceId[1024];
         vr::VRSettings()->GetString(