Add hba config list to configure the pg_hba.conf
Add hba interface documentation
Merge pull request #98 from nickjj/postgresql

Add hba config list to configure the pg_hba.conf
Clean up and upgrade 'etc_services' role

You can now use 'etc_services_*_list' variables to define custom
services that should be added in '/etc/services' file, either via
inventory or role dependency variables.
Merge pull request #99 from drybjed/role/etc_services

Clean up and upgrade 'etc_services' role