Added the Postgres and Proxy services. Minor fixes in the docker-compose.

.gitignore

docker-compose.yml

rosetta/build

rosetta/setup

services/postgres/Dockerfile

services/postgres/create_rosetta_DB_and_user.sql

services/postgres/pg_hba.conf

services/postgres/postgresql.conf

services/postgres/prestartup_postgres.sh

services/postgres/run_postgres.sh

services/postgres/supervisord_postgres.conf

services/proxy/000-default.conf

services/proxy/001-proxy.conf

services/proxy/Dockerfile

services/proxy/certificates-dev/rosetta_platform.ca-bundle

services/proxy/certificates-dev/rosetta_platform.crt

services/proxy/certificates-dev/rosetta_platform.key

services/proxy/default-ssl.conf

services/proxy/index.html

services/proxy/norobots.txt