Renaming page to make it easier for people looking for App Engine instructions.
Feel free to nix.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/9193043

git-svn-id: http://blockly.googlecode.com/svn/trunk@819 c400ca83-b69d-9dd7-9705-49c6b8615e23