gcloud: add deploy step
demo: add Dockerfile
demo: unify app.yaml appids
frontend: point to custom Dockerfile by default
demo: use url dispatcher
frontend: use dispatcher instead of backend discovery
gcloud: remove hardcoded hosts
gcloud: massage output
deploy: fix image names
frontend: remove netroute dep
frontend: fix backend discovery, gcloud: listen on all interfaces
frontend: fix env vars
Merge branch 'master' of https://github.com/proppy/cacophon