only append port when not 80 for node-red url

public/exit.html

@@ -25,8 +25,8 @@
 <h1>Finishing Setup...</h1>
 <div class='section'>
     <div class="content" style="padding: 30px; padding-bottom: 0px">
-        Your gateway is rebooting and joining the selected WiFi network. Once complete, the LED on the top of the gateway will turn solid green. To connect to your gateway make sure your computer is on the same network. You can navigate to the <font color="#800000"><b>Node-RED</b></font> web interface here:
-        <a href="http://params_node_red_url:params_node_red_http_port">http://params_node_red_url:params_node_red_http_port</a>
+        Your gateway is rebooting and joining the selected WiFi network. Once complete, the LED on the top of the gateway will turn solid green. To connect to your gateway make sure your computer is on the same network. You can navigate to the <font color="#800000">Node-RED</font> web interface here:
+        <a href="http://params_node_red_url">http://params_node_red_url</a>
         <br><br>
     </div>
 </div>

server.js

@@ -251,7 +251,6 @@ function submitForm(params, res, req) {
 
     //hostname is in format: [serial_num].rigadogateway.com, we just want [serial_num].
     var node_red_url  = hostname.split(".", 1);
-    var node_red_port = NODE_RED_PORT.toString().trim();
 
     //html response
     var res_str;
@@ -274,6 +273,12 @@ function submitForm(params, res, req) {
       node_red_url = node_red_url + ".local";
     }
 
+    //append the port if not port 80
+    if(NODE_RED_PORT !== 80) {
+      node_red_url = node_red_url + ":" + NODE_RED_PORT.toString().trim();
+    }
+
+
     //replace params
     res_str = res_str.replace(/params_new_wifi/g, params.newwifi ? params.newwifi : "");
     res_str = res_str.replace(/params_hostname/g, hostname + ".local");
@@ -282,8 +287,7 @@ function submitForm(params, res, req) {
     res_str = res_str.replace(/params_curr_hostname/g, nameobj.hostname + ".local");
     
     //replace node-red params
-    res_str = res_str.replace(/params_node_red_url/g, node_red_url);        
-    res_str = res_str.replace(/params_node_red_http_port/g, node_red_port);
+    res_str = res_str.replace(/params_node_red_url/g, node_red_url);
 
     //send the html response
     res.end(res_str);