Merge pull request #11 from lap82/master

Upgrade puppet postgresql module configuration
turn off manage_firewall, set version number for PostgreSQL puppet module to 3.1.0, disable timeout for git clone process
refining the timeout for git clone, let's double the default (ten minutes instead of five) and try twice... that should be enough time to give github before we give up on it
Merge pull request #12 from hardyoyo/DS-1737-tweak-postgresql-puppet-module-configs

DS-1737-set version number of PostgreSQL Puppet module, disabled firewall management