JSHint fixes.

res/app/components/stf/common-ui/error-message/error-message-directive.js

@@ -6,7 +6,7 @@ module.exports = function errorMessageDirective() {
       message: '@'
     },
     template: require('./error-message.jade'),
-    link: function (scope, element, attrs) {
+    link: function (scope) {
       scope.closeMessage = function () {
         scope.message = ''
       }

res/app/components/stf/device-context-menu/device-context-menu-directive.js

@@ -8,7 +8,7 @@ module.exports = function deviceContextMenuDirective($window) {
     //},
     transclude: true,
     template: require('./device-context-menu.jade'),
-    link: function (scope, element, attrs) {
+    link: function (scope) {
       //var device = scope.device()
       //var control = scope.control()
       scope.windowClose = function () {

res/app/components/stf/standalone/standalone-service.js

@@ -74,7 +74,7 @@ module.exports =
           newWindow.document.title = windowTitle
         }
 
-        setTimeout(function () {
+        $timeout(function () {
           if (newWindow.document) {
             newWindow.document.title = windowTitle
           }