Fix Animations, Remove Compostior Animations.

sky/examples/animation/basic.sky

Index: sky/examples/animation/basic.sky
diff --git a/sky/examples/animation/basic.sky b/sky/examples/animation/basic.sky
new file mode 100644
index 0000000000000000000000000000000000000000..f307aa4ad14b13cd1bbb305b76ed422952ab7f9a
--- /dev/null
+++ b/sky/examples/animation/basic.sky
@@ -0,0 +1,18 @@
+<sky>
+
+<div id="test">
+Hello, Sky
+</div>
+<script>
+window.addEventListener('load', function() {
+  var div = document.getElementById('test');
+  div.animate([
+    { backgroundColor: 'red', opacity: 1 },
+    { backgroundColor: 'green', opacity: 0}],
+    {
+      duration: 1000,
+      iterations: 2
+    });
+});
+</script>
+</sky>