fix dancer import issues

Netdisco/lib/Netdisco/PortControl.pm

@@ -1,8 +1,5 @@
 package Netdisco::PortControl;
 
-use strict;
-use warnings FATAL => 'all';
-
 use Netdisco::Util ':port_control';
 use Try::Tiny;
 

Netdisco/lib/Netdisco/Util.pm

@@ -1,7 +1,7 @@
 package Netdisco::Util;
 
-use strict;
-use warnings FATAL => 'all';
+use Dancer qw/:syntax :script/;
+use Dancer::Plugin::DBIC 'schema';
 
 use SNMP::Info;
 use Config::Tiny;
@@ -27,6 +27,9 @@ sub load_nd_config {
       die (Config::Tiny->errstr ."\n") if !defined $config;
   }
 
+  # store for later access
+  var(nd_config => $config);
+
   return $config;
 }