package manager deprecation warnings

[speedlight]

Ansible is in version 2.4+ for a long time now, so could be useful to have the example playbooks ported to latest versions. This is a smal PR about deprecation warnings for with_items when using packager managers like yum or apt.

• Changes made for lamp_simple playbook.
• Changes made for worpress_nginx playbook.
• Changes made for jboss-standalone playbook.
• Changes made for lamp-haproxy playbook.
• Changes made for lamp_simple_rhel7 playbook.
• Changes made for mongodb playbook.
• Changes made for wordpress-nginx_rhel7 playbook.