Fixed gruntfile and included new labs demo.

examples/_site/examples.json

@@ -1,5 +1,9 @@
 {
   "animation": [
+    {
+      "file": "animation+events.js",
+      "title": "animation events"
+    },
     {
       "file": "change+texture+on+click.js",
       "title": "change texture on click"
@@ -788,10 +792,22 @@
       "file": "kern+of+duty.js",
       "title": "kern of duty"
     },
+    {
+      "file": "littera.js",
+      "title": "littera"
+    },
     {
       "file": "remove+text.js",
       "title": "remove text"
     },
+    {
+      "file": "retro+font+1.js",
+      "title": "retro font 1"
+    },
+    {
+      "file": "retro+font+2.js",
+      "title": "retro font 2"
+    },
     {
       "file": "text+stroke.js",
       "title": "text stroke"
@@ -912,6 +928,10 @@
       "file": "fading+in+a+sprite.js",
       "title": "fading in a sprite"
     },
+    {
+      "file": "generate+data.js",
+      "title": "generate data"
+    },
     {
       "file": "pause+tween.js",
       "title": "pause tween"