Expose ability to manually trigger a renegotiation

Author: nathanatcoviu

couple.js

@@ -477,6 +477,11 @@ function couple(pc, targetId, signaller, opts) {
 
   mon.stop = decouple;
 
+  /**
+    Allows for manually triggering a renegotiation
+   */
+  mon.requestRenegotiation = handleRenegotiateRequest;
+
   /**
     Aborts the coupling process
    **/