Change name of mysql server package.

manifests/init.pp

 class datorhandbok {
   ensure_packages([
     'apache2', 
-    'mysql-server',
+    'default-mysql-server',
     'mediawiki',
     'imagemagick',
     # squid is needed for pam_auth binary
@@ -18,7 +18,7 @@ class datorhandbok {
   service { 'mysql':
     ensure    => running,
     enable    => true,
-    require   => Package['mysql-server'],
+    require   => Package['default-mysql-server'],
   }
 
   service { 'squid':