* Use a default 30 second timeout for URLFetch requests.
* Use auto loading for GAE SDK now that it is available.
* Use CloudStorageTools::getPublicUrl() for Cloud Storage URLs so that they
  work correctly on the development server.
* Add support for serving uploaded media files over HTTPs.

git-svn-id: https://plugins.svn.wordpress.org/google-app-engine/trunk@868324 b8457f37-d9ea-0310-8a92-e5e31aec5664