Merge branch 'feat_gitlab_ci' into 'master'

.ansible-lint

.githooks/pre-commit

.gitlab-ci.yml

ansible.cfg

handlers/main.yml

meta/main.yml

molecule/default/converge.yml

molecule/default/molecule.yml

molecule/default/prepare.yml

molecule/default/tests/conftest.py

molecule/default/tests/test_default.py

molecule/resources/playbooks/INSTALL.rst

molecule/resources/playbooks/README.md

molecule/resources/playbooks/converge.yml

molecule/resources/playbooks/verify.yml

tasks/configure-iptables.yml

tasks/configure-nfs-mounts.yml

tasks/configure-squid-proxy.yml

tasks/install-packages.yml

tasks/main.yml