Issue 3019 - Fix type apt::ppa dependency ordering

modules/base/manifests/init.pp

 class base ($zone='adblockplus.org') {
   stage {'pre': before => Stage['main']}
   stage {'post': require => Stage['main']}
 
   class {'users':
     stage => 'pre',
   }
 
   if !defined(Class['apt']) {
     class {'apt':
       always_apt_update => true
     }
   }
 
-  Exec['apt_update'] -> Package <| |>
+  # Node that APT dependencies are excluded here!
+  Exec['apt_update'] -> Package <|name != 'python-software-properties'|>
 
   include private::users, postfix, ssh
 
   package {['mercurial', 'vim', 'emacs', 'debian-goodies', 'htop']:
     ensure => present,
   }
 
   file {'/etc/timezone':
     ensure => file,
     owner => root,
@@ skipping 65 matching lines @@
   }
 
   # Work around https://projects.puppetlabs.com/issues/4145
   Sshkey<| |> ->
   file {'/etc/ssh/ssh_known_hosts':
     ensure => 'present',
     mode => 0644,
   }
 }