use notifies, skip resources when possible
use symbol to access attribute
disable PAM
Merge pull request #114 from phunehehe/basics

Basics
Merge pull request #115 from phunehehe/dovecot

disable PAM
conditions for services
attributes for debian
Merge pull request #116 from phunehehe/shorewall

Add conditions for services
Merge pull request #117 from phunehehe/elasticsearch

attributes for debian
postfix can now use dovecot which has sieve
refactor dovecot, use enable_sieve
refactor postfix
Merge pull request #118 from phunehehe/sieve

postfix can now use dovecot which has sieve