first round of new Path shape. Despite multiple optimizations, the path performance isn't as good as a previous experiment done with v3.8.1. Will keep this as a separate branch until the performance issues are resolved

tests/js/Test.js

@@ -16,7 +16,7 @@ function log(message) {
  * Test constructor
  */
 function Test() {
-    this.testOnly = '';
+    this.testOnly = 'SHAPE - add path';
     this.counter = 0;
     
     testCounter = document.createElement('div');