Merge pull request ANXS#343 from gclough/optional_flag_for_repo

Allow repo to be optional, in case of Satellite, Artifactory, etc.

Merge pull request ANXS#319 from gclough/quote_all_enum_parameters

Quote all string variables, and add spaces around variables "{{ var }}"

Merge pull request ANXS#280 from mediapop/master

Install the postgres dependencies for the python interpreter used.

Merge pull request ANXS#275 from thbar/hide-users-passwords-from-logs

Hide password from logs (fixes ANXS#215)

Merge branch 'master' of github.com:anxs/postgresql

Merge pull request ANXS#243 from singleplatform-eng/master

Resolve Ansible 2.3 deprecation warning

Merge pull request ANXS#229 from MartinVerges/master

fixed install problems on debian with pinning enabled

Merge pull request ANXS#224 from numerigraphe/ansible2.2

Use a boolean value for compatibility with the latest Ansible

Merge pull request ANXS#212 from MichaelConrad/implement_postgresql_9_6

Add compatibility for PostgreSQL 9.6

Merge pull request ANXS#150 from dev-zero/master

Install postgresql-contrib module on EL-distros