heroku files
User bugsnag heroku config var
include extra modules bugsnag and newrelic
adds Flask-cors
Use $PORT
Use heroku-postgres db for index backend
require psycopg2
Use master docker-registry to bring in fix 0b839378c3b8abd2f1ed9be54b2166fcf745c56c
use gregburek branch for bugsnag fix
Adds readme and app.json