Merge branch 'postfix-split' into 'master'

postfix: Install PCRE explicit after package split[1]

See merge request !317

roles/postfix/tasks/main.yml

 ---
 
 - name: install postfix
-  pacman: name=postfix state=present
+  pacman: name=postfix,postfix-pcre state=present
 
 - name: install template configs
   template: src={{ item }}.j2 dest=/etc/postfix/{{ item }} owner=root group=root mode=0644