Change default page length to 25 and save state in DataTables tables

Netdisco/share/views/ajax/search/device.tt

@@ -18,6 +18,8 @@
 $(document).ready(function() {
   var table = $('#ds-data-table').dataTable({
     "deferRender": true,
+    "stateSave": true,
+    "pageLength": 25,
     "data": [% results %],
     "columns": [{
         "data": 'ip',

Netdisco/share/views/ajax/search/node_by_ip.tt

@@ -177,6 +177,8 @@ $(document).ready(function() {
             { "visible": false, "targets": 0 }
         ],
         "order": [[ 0, 'asc' ]],
+        "stateSave": true,
+        "pageLength": 25,
         "drawCallback": function ( settings ) {
             var api = this.api();
             var rows = api.rows( {page:'current'} ).nodes();

Netdisco/share/views/ajax/search/node_by_mac.tt

@@ -146,6 +146,8 @@ $(document).ready(function() {
             { "visible": false, "targets": 0 }
         ],
         "order": [[ 0, 'asc' ]],
+        "stateSave": true,
+        "pageLength": 25,
         "drawCallback": function ( settings ) {
             var api = this.api();
             var rows = api.rows( {page:'current'} ).nodes();

Netdisco/share/views/ajax/search/port.tt

@@ -13,6 +13,8 @@
 $(document).ready(function() {
   var table = $('#ps-data-table').dataTable({
     "deferRender": true,
+    "stateSave": true,
+    "pageLength": 25,
     "data": [% results %],
     "columns": [{
         "data": 'name',

Netdisco/share/views/ajax/search/vlan.tt

@@ -15,6 +15,8 @@
 $(document).ready(function() {
   var table = $('#vs-data-table').dataTable({
     "deferRender": true,
+    "stateSave": true,
+    "pageLength": 25,
     "data": [% results %],
     "columns": [{
         "data": 'vlans.vlan',