postgres job listens to all attached networks

Control the available listen_addresses via
deployment manifest - add networks to the job

For example, to attach new networks:

    jobs:
    - name: uuadb
    - template: postgres
    - networks:
      - name: apps
        static_ips:
        - 1.2.3.4
      - name: management
        static_ips:
        - 9.8.7.6

Change-Id: I53f7c450ccd3939b21f0e4aa5ab33db0d7f1c4c1