Move appengine application to subdirectory 'appengine'

This prepares the repo to add the 'results_feed' and 'functions'
projects, which are the new Angular Dart/Firestore based
result feed.  The existing result feed will be removed from
the appengine application.

Change-Id: I3afdabb98ba5a284e6712633a05f058a9638a25d
13 files changed
tree: d5b797e873934626ffaa93fe40fa0863f002e427
  1. appengine/