add pinch and rotate events to logger

Author: dfreedm

samples/simple/index.html

@@ -54,7 +54,9 @@
         'flick',
         'trackstart',
         'track',
-        'trackend'
+        'trackend',
+        'pinch',
+        'rotate'
       ];
       function appendOutput(inString) {
         var t = output.textContent;