Assure defaults in non-presence of essential settings

info.js

@@ -223,12 +223,18 @@ function goSearch() {
   creating.then(onTabCreated, onTabError);
 }
 
+function routerAddr(){
+    if (!control_host) control_host="127.0.0.1"
+    if (!control_port) control_port="7657"
+    return control_host + ":" + control_port
+}
+
 function goTunnel() {
   function onTabError() {
     console.log("I2PTunnel tab created");
   }
   let createData = {
-    url: "http://" + control_host + ":" + control_port + "/i2ptunnel"
+    url: "http://" + routerAddr() + "/i2ptunnel"
   };
   console.log("visiting i2ptunnel");
   let creating = browser.tabs.create(createData);
@@ -240,7 +246,7 @@ function goMail() {
     console.log("Mail tab created");
   }
   let createData = {
-    url: "http://" + control_host + ":" + control_port + "/susimail"
+    url: "http://" + routerAddr() + "/susimail"
   };
   console.log("visiting mail");
   let creating = browser.tabs.create(createData);
@@ -252,7 +258,7 @@ function goSnark() {
     console.log("Snark tab created");
   }
   let createData = {
-    url: "http://" + control_host + ":" + control_port + "/i2psnark"
+    url: "http://" + routerAddr() + "/i2psnark"
   };
   console.log("visiting snark");
   let creating = browser.tabs.create(createData);

manifest.json

@@ -52,8 +52,6 @@
   "background": {
     "persistent": true,
     "scripts": [
-      "torrent/common.js",
-      "torrent/background.js",
       "config.js",
       "i2pcontrol/i2pcontrol.js",
       "host.js",

window.html

@@ -101,7 +101,6 @@
 
                     <li class="application"><button class="applicationName" id="window-visit-snark" target="_blank">BitTorrent</button> <span class="applicationDesc" id="snark">I2P is capable of anonymous Peer-to-Peer file sharing, to use the built-in bittorrent client go here:</span></li>
 
-                    <li class="application"> <button class="applicationName" id="window-visit-router" href="http://127.0.0.1:7657/" target="_blank">Router Console</button> <span class="applicationDesc" id="routerConsole">The entrypoint for all other I2P applications is the I2P Router Console. To visit it, click here.</span></li>
                 </ul>
 
                 <p>
@@ -166,7 +165,7 @@
     <script src="i2pcontrol/i2pcontrol.js"></script>
     <script src="info.js"></script>
     <script crossorigin="anonymous" src="content.js"></script>
-    <script src="torrent/common.js"></script>
-    <script src="torrent/popup.js"></script>
+    <!--<script src="torrent/common.js"></script>
+    <script src="torrent/popup.js"></script>-->
 </body>
 </html>