do silent auto update on each startup

src/js/app-controller.js

@@ -40,17 +40,15 @@ define(function(require) {
         }
     };
 
-    self.checkForUpdate = function(callback) {
+    self.checkForUpdate = function() {
         if (!chrome || !chrome.runtime || !chrome.runtime.onUpdateAvailable) {
             return;
         }
 
-        // check for update and restart on confirmation
+        // check for update and restart
         chrome.runtime.onUpdateAvailable.addListener(function(details) {
-            callback(function() {
-                console.log("Updating to version " + details.version);
-                chrome.runtime.reload();
-            });
+            console.log("Updating to version " + details.version);
+            chrome.runtime.reload();
         });
         chrome.runtime.requestUpdateCheck(function(status) {
             if (status === "update_found") {

src/js/controller/login.js

@@ -16,6 +16,9 @@ define(function(require) {
                 return;
             }
 
+            // check for app update
+            appController.checkForUpdate();
+
             // login to imap
             initializeUser();
         });

src/js/controller/navigation.js

@@ -125,21 +125,6 @@ define(function(require) {
         // Start
         //
 
-        function onUpdateAvailable(doUpdate) {
-            $scope.state.dialog = {
-                open: true,
-                title: 'Update available',
-                message: 'Would you like to update the application now?',
-                callback: function(confirm) {
-                    if (confirm) {
-                        doUpdate();
-                    }
-                }
-            };
-        }
-        // check for app update
-        appController.checkForUpdate(onUpdateAvailable);
-
         // init folders
         initFolders(function(folders) {
             $scope.folders = folders;