Gombi door service android client.

This is an Android Studio project.

Setup:
1. Populate the device/src/main/res/values/strings.xml#sender_id string with
   that of your google developer project.
2. Populate the lib/src/main/res/values/strings.xml#serviceHostName string with
   the domain name of your door service.

Modules:
1. client - App for choosing and opening doors. Contains two launchers: one that
   shows the door list and another that shows a detailed view of a door.
2. device - App for physically communicating with the door. Registers a door
   with the service and keeps its registration in sync.
3. lib - Common code containing data structures and an API client for
   communicating with the door service.

Author: robert@gombi.net