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/package_files/default_action_manifests/ovras-team.advancedsettings_default_hmd.json

@@ -5,12 +5,12 @@
   "app_key" : "ovras-team.advancedsettings",
   "bindings":
   {
-   "/actions/misc" : {
+   "/actions/haptic" : {
           "sources" : [
             {
                "inputs" : {
                   "click" : {
-                     "output" : "/actions/misc/in/ProxSensor"
+                     "output" : "/actions/haptic/in/ProxSensor"
                   }
                },
                "mode" : "button",