Update to more recent Ansible roles

ansible/roles/postfix/tasks/configure.yml

@@ -1,5 +1,5 @@
 ---
-- name: Copy postfix configuration template
+- name: Copy configuration template
   template: src=files/postfix/main.cf dest=/etc/postfix/main.cf
 
 - name: Copy postfix sasl_passwd

ansible/roles/postfix/tasks/install.yml

@@ -1,4 +1,4 @@
 ---
 - name: Install packages
-  apt: name="{{ item }}" state=latest
+  package: name="{{ item }}" state=present
   with_items: "{{ packages }}"

ansible/roles/postfix/tasks/service.yml

@@ -1,3 +1,3 @@
 ---
-- name: Start and enable postfix service
+- name: Start and enable services
   service: name=postfix state=restarted enabled=yes