adding back fa- to icons so can more easily find them in code and removing helper function that added fa- automatically

ayanova/src/views/home-user-settings.vue

@@ -383,7 +383,7 @@ function clickHandler(menuItem) {
 function generateMenu(vm) {
   var menuOptions = {
     isMain: true,
-    icon: "user-cog",
+    icon: "fa-user-cog",
     title: window.$gz.translation.get("UserSettings"),
     helpUrl: "form-home-user-settings",
     formData: {
@@ -395,7 +395,7 @@ function generateMenu(vm) {
   if (vm.rights.change) {
     menuOptions.menuItems.push({
       title: window.$gz.translation.get("Save"),
-      icon: "save",
+      icon: "fa-save",
       surface: true,
       key: FORM_KEY + ":save",
       vm: vm
@@ -405,7 +405,7 @@ function generateMenu(vm) {
   //change password and login
   menuOptions.menuItems.push({
     title: window.$gz.translation.get("SetLoginPassword"),
-    icon: "key",
+    icon: "fa-key",
     data: "home-password",
     key: "app:nav"
   });