Added new appengine sample for discovery, and also cleaned up the latitude future.json file.
diff --git a/samples/helpdoc/app.yaml b/samples/helpdoc/app.yaml
new file mode 100644
index 0000000..8919c7b
--- /dev/null
+++ b/samples/helpdoc/app.yaml
@@ -0,0 +1,12 @@
+application: google-api-python-client-doc
+version: 1
+runtime: python
+api_version: 1
+
+handlers:
+- url: /static
+  static_dir: static
+
+- url: .*
+  script: main.py
+