Move .js files to their own directory

experimental/SkV8Example/path.js

-/**
- * @fileoverview Sample onDraw script for use with SkV8Example.
- */
-var onDraw = function(){
-    var p = new Path2D();
-    p.moveTo(0, 0);
-    p.bezierCurveTo(0, 100, 100, 0, 200, 200);
-    p.close();
-    p.moveTo(0, 300);
-    p.arc(0, 300, 40, Math.PI/2, 3/2*Math.PI);
-    function f(context) {
-        context.translate(10, 10);
-        for (var i=0; i<256; i++) {
-            context.strokeStyle = '#0000' + toHex(i);
-            context.stroke(p);
-            context.translate(1, 0);
-        }
-        context.fillStyle = '#ff0000';
-        print(context.width, context.height);
-        context.resetTransform();
-        context.fillRect(context.width/2, context.height/2, 20, 20);
-    };
-    return f;
-}();
-
-
-function toHex(n) {
-  var s = n.toString(16);
-  if (s.length == 1) {
-    s = "0" + s;
-  }
-  return s;
-}