rhizo_base/packages: Ensure package installed before config

The /etc/php/7.0/apache2 directory is created by the
libapache2-mod-php package on installation. Be sure this package is
installed before attempting to set its configuration files!

modules/rhizo_base/manifests/packages.pp

@@ -61,6 +61,7 @@ class rhizo_base::packages::debian inherits rhizo_base::packages::common {
   file { '/etc/php/7.0/apache2/php.ini':
       ensure  => present,
       source  => "puppet:///modules/rhizo_base/php.ini",
+      require => Package['libapache2-mod-php']
     }
 
 }