Adds customizable randomness factor to sine wave generator. Fixes #2726

example/generator/GeneratorProvider.js

@@ -31,6 +31,7 @@ define([
         period: 10,
         offset: 0,
         dataRateInHz: 1,
+        randomness: 0,
         phase: 0
     };
 
@@ -52,7 +53,8 @@ define([
             'period',
             'offset',
             'dataRateInHz',
-            'phase'
+            'phase',
+            'randomness'
         ];
 
         request = request || {};