Move sky/examples to sky/sdk/lib/example, and code changes to support that change. Fixes T277.

sky/apk/stocks/org/domokit/stocks/StocksActivity.java

Index: sky/apk/stocks/org/domokit/stocks/StocksActivity.java
diff --git a/sky/apk/stocks/org/domokit/stocks/StocksActivity.java b/sky/apk/stocks/org/domokit/stocks/StocksActivity.java
index d167394d437b9cd0b716ad0f729df58c5388d382..b1dab15a15aad7f9a72b5a7c83447263c378ec62 100644
--- a/sky/apk/stocks/org/domokit/stocks/StocksActivity.java
+++ b/sky/apk/stocks/org/domokit/stocks/StocksActivity.java
@@ -18,6 +18,6 @@ public class StocksActivity extends SkyActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        loadUrl("https://domokit.github.io/sky/examples/stocks/index.sky");
+        loadUrl("https://domokit.github.io/sky/sdk/lib/example/stocks/index.sky");
     }
 }