gps in tabs

main.js

@@ -89,7 +89,7 @@ $(document).ready(function() {
                         tabs.servos.initialize();
                         break;
                     case 'tab_gps':
-                        tab_initialize_gps();
+                        tabs.gps.initialize();
                         break;
                     case 'tab_motor_outputs':
                         tab_initialize_motor_outputs();

tabs/gps.js

@@ -1,4 +1,7 @@
-function tab_initialize_gps (callback) {
+tabs.gps = function() {
+};
+
+tabs.gps.initialize = function(callback) {
     ga_tracker.sendAppView('GPS Page');
     GUI.active_tab = 'gps';
 
@@ -52,5 +55,11 @@ function tab_initialize_gps (callback) {
         GUI.interval_add('status_pull', function() {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
+
+        if (callback) callback();
     }
-}
+};
+
+tabs.gps.cleanup = function(callback) {
+    if (callback) callback();
+};