Add debian support (#28)

* Add Debian (8|9) support

fixes #2

* Documentation fixes

[ci skip]

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/Oefenweb/ansible-keepalived.svg?branch=master)](https://travis-ci.org/Oefenweb/ansible-keepalived) [![Ansible Galaxy](http://img.shields.io/badge/ansible--galaxy-keepalived-blue.svg)](https://galaxy.ansible.com/tersmitten/keepalived)
 
-Set up the latest or a specific version of [Keepalived](http://www.keepalived.org/) in Ubuntu systems.
+Set up the latest or a specific version of [Keepalived](http://www.keepalived.org/) in Debian-like systems.
 
 #### Requirements
 

meta/main.yml

@@ -3,7 +3,7 @@
 galaxy_info:
   author: Mischa ter Smitten
   company: Oefenweb.nl B.V.
-  description: Set up keepalived in Ubuntu systems
+  description: Set up keepalived in Debian-like systems
   license: MIT
   min_ansible_version: 2.0.0.0
   platforms: