adding simple apache playbook/role.

	new file:   apache/README.md
	new file:   apache/group_vars/all
	new file:   apache/group_vars/webservers
	new file:   apache/hosts
	new file:   apache/roles/apache/handlers/main.yml
	new file:   apache/roles/apache/tasks/deploy_site.yml
	new file:   apache/roles/apache/tasks/install_apache.yml
	new file:   apache/roles/apache/tasks/main.yml
	new file:   apache/roles/apache/templates/index.html.j2
	new file:   apache/roles/common/handlers/main.yml
	new file:   apache/roles/common/tasks/main.yml
	new file:   apache/site.yml