updated config example to include oculus

Author: rsleggett

config.js.example

@@ -2,7 +2,7 @@ var config = {
         plugins: [
             "video-png"     // Display the video feed as static pngs (work in every browser)
         //, "video-stream"  // Display the video as a native h264 stream decoded in JS 
-        //, "oculus"        // Support for Oculus Rift VR Headset - Turn off Video Stream and Video Png
+        //, "oculus"        // Proof of concept Support for Oculus Rift VR Headset - Turn off Video Stream and Video Png. Requires VR.js plugin for Chrome and Firefox https://github.com/benvanik/vr.js
           , "hud"           // Display the artificial horizon, altimeter, compass, etc.
           , "battery"       // Display a simple battery widget in the header bar
           , "pilot"         // Pilot the drone with the keyboard