fix relations and finally get rid off config_file

manifests/cron/download.pp

@@ -14,7 +14,7 @@ dist-upgrade -d -y -o APT::Get::Show-Upgraded=true
     owner => root, group => 0, mode => 0644;
   }
 
-  config_file { "/etc/cron-apt/config.d/MAILON":
+  file { "/etc/cron-apt/config.d/MAILON":
     content => "MAILON=changes\n",
     require => Package[cron-apt],
     owner => root, group => 0, mode => 0644;

manifests/update.pp

@@ -3,7 +3,7 @@ class apt::update {
   exec { 'update_apt':
     command => '/usr/bin/apt-get update && /usr/bin/apt-get autoclean',
     require => [ File['/etc/apt/apt.conf.d', '/etc/apt/preferences' ],
-                 Config_file['/etc/apt/sources.list'] ],
+                 File['/etc/apt/sources.list'] ],
     loglevel => info,
     # Another Semaphor for all packages to reference
     alias => "apt_updated"