diff --git a/manifests/init.pp b/manifests/init.pp
index 0a9151d..bf8f19a 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -1,135 +1,135 @@
 #  ## Class: ssh ##
-# 
+#
 # Manage ssh client and server.
-# 
+#
 # ### Parameters ###
-# 
+#
 # packages
 # --------
 # Array of package names used for installation.
-# 
+#
 # - *Default*: 'openssh-server', 'openssh-server', 'openssh-clients'
-# 
+#
 # permit_root_login
 # -----------------
 # Allow root login. Valid values are 'yes', 'without-password', 'forced-commands-only', 'no'.
-# 
+#
 # - *Default*: no
-# 
+#
 # purge_keys
 # ----------
 # Remove keys not managed by puppet.
-# 
+#
 # - *Default*: 'true'
-# 
+#
 # manage_firewall
 # ---------------
 # Open firewall for SSH service.
-# 
+#
 # - *Default*: false
-# 
+#
 # ssh_config_path
 # ---------------
 # Path to ssh_config.
-# 
+#
 # - *Default*: '/etc/ssh/ssh_config'
-# 
+#
 # ssh_config_owner
 # ----------------
 # ssh_config's owner.
-# 
+#
 # - *Default*: 'root'
-# 
+#
 # ssh_config_group
 # ----------------
 # ssh_config's group.
-# 
+#
 # - *Default*: 'root'
-# 
+#
 # ssh_config_mode
 # ---------------
 # ssh_config's mode.
-# 
+#
 # - *Default*: '0644'
-# 
+#
 # sshd_config_path
 # ----------------
 # Path to sshd_config.
-# 
+#
 # - *Default*: '/etc/ssh/sshd_config
-# 
+#
 # sshd_config_owner
 # -----------------
 # sshd_config's owner.
-# 
+#
 # - *Default*: 'root'
-# 
+#
 # sshd_config_group
 # ----------------
 # sshd_config's group.
-# 
+#
 # - *Default*: 'root'
-# 
+#
 # sshd_config_mode
 # ---------------
 # sshd_config's mode.
-# 
+#
 # - *Default*: '0600'
-# 
+#
 # service_ensure
 # --------------
 # Ensure SSH service is running. Valid values are 'stopped' and 'running'.
-# 
+#
 # - *Default*: 'running'
-# 
+#
 # service_name
 # ------------
 # Name of the SSH service.
-# 
+#
 # - *Default*: 'sshd'
-# 
+#
 # service_enable
 # --------------
 # Start SSH at boot. Valid values are 'true', 'false' and 'manual'.
-# 
+#
 # - *Default*: 'true'
-# 
+#
 # service_hasrestart
 # ------------------
 # Specify that the init script has a restart command. Valid values are 'true' and 'false'.
-# 
+#
 # - *Default*: 'true'
-# 
+#
 # service_hasstatus
 # -----------------
 # Declare whether the service's init script has a functional status command. Valid values are 'true' and 'false'
-# 
+#
 # - *Default*: 'true'
-# 
+#
 # ssh_key_ensure
 # --------------
 # Export node SSH key. Valid values are 'present' and 'absent'.
-# 
+#
 # - *Default*: 'present'
-# 
+#
 # ssh_key_type
 # ------------
 # Encryption type for SSH key. Valid values are 'rsa', 'dsa', 'ssh-dss' and 'ssh-rsa'
-# 
+#
 # - *Default*: 'ssh-rsa'
-# 
+#
 # manage_root_ssh_config
 # ----------------------
 # Manage SSH config of root. Valid values are 'true' and 'false'.
-# 
+#
 # - *Default*: 'false'
-# 
+#
 # root_ssh_config_content
 # -----------------------
 # Content of root's ~/.ssh/config.
-# 
+#
 # - *Default*: "# This file is being maintained by Puppet.\n# DO NOT EDIT\n"
-# 
+#
 class ssh (
   $packages                = ['openssh-server',
                               'openssh-server',