Add Rakefile file and update puppet coding style

Add Rakefile file
Add class document
Replace the double quotes

Change-Id: I3f38ff0dc150c0cb260e0eb39655fcc351221bd6
Closes-Bug: #1334603

Rakefile

@@ -0,0 +1,6 @@
+require 'rubygems'
+require 'puppetlabs_spec_helper/rake_tasks'
+require 'puppet-lint/tasks/puppet-lint'
+PuppetLint.configuration.fail_on_warnings = true
+PuppetLint.configuration.send('disable_80chars')
+PuppetLint.configuration.send('disable_class_inherits_from_params_class')

manifests/init.pp

@@ -1,8 +1,14 @@
+# == Class: apparmor
+#
+# This is the apparmor module. It simply manages the apparmor service.
+#
+
 class apparmor {
-  package { "apparmor":
-    ensure => present
+  package { 'apparmor':
+    ensure => present,
   }
-  service { "apparmor":
-    ensure => 'running';
+
+  service { 'apparmor':
+    ensure => running,
   }
 }