changed xilica node colors (black on white to match the brand)

nodes/xilica-interval.html

@@ -1,7 +1,7 @@
 <script type="text/javascript">
 RED.nodes.registerType('xilica-interval', {
   category: 'Xilica',
-  color: '#D8E7FF',
+  color: '#000000',
   defaults: {
     name: { value: "" },
     interval: { value: 100 }
@@ -37,4 +37,3 @@ RED.nodes.registerType('xilica-interval', {
   <p>On each input message, the node sets <code>msg.payload</code> to <code>INTERVAL &lt;value&gt;</code>. Wire the output into a <code>xilica-command</code> node to send it over TCP.</p>
   <p>You can override the configured interval by setting <code>msg.interval</code> on the incoming message.</p>
 </script>
-