so mamy things...

static/coffee/controllers/homeCtrl.coffee

@@ -1,11 +1,15 @@
 define ["app"], (app) ->
-    app.controller "HomeCtrl", ($scope) ->
-        $scope.message = "message from home ctrl"
-        $scope.loggedEmail = localStorage.getItem("email")
+    app.controller "HomeCtrl", ['$scope', '$rootScope', ($scope, $rootScope) ->
+        $scope.init = () ->
+            $scope.loggedEmail = localStorage.getItem("email")
+
         $scope.login = () ->
             if $scope.email
                 localStorage.setItem("email", $scope.email)
                 $scope.loggedEmail = $scope.email
                 $scope.email = ""
+                $scope.$emit("login")
 
-    return
+        $scope.init()
+        $rootScope.$on('logout', $scope.init)
+    ]