Refactor Notifications to use Vue, and add clear all option (#3068)

[Notifications] Need a clear all notifications option #3006

* create new notifications indicator in vue, and sunset old one

* add notifications list overlay

* working notifications

* add support for progress notifications

* update percentage on mounted

* Markup cleanups in new Vue Notifications files

- Removed unneeded markup and class wrappers;
- Removed unneeded inline styling;

* remove example notifications

* fix lint errors

* make reviewer requested changes, remove old not needed files, add test

* update testTools to testUtils

Co-authored-by: charlesh88 <charlesh88@gmail.com>

src/plugins/plugins.js

@@ -51,7 +51,8 @@ define([
     './conditionWidget/plugin',
     './themes/espresso',
     './themes/maelstrom',
-    './themes/snow'
+    './themes/snow',
+    './notificationIndicator/plugin'
 ], function (
     _,
     UTCTimeSystem,
@@ -83,7 +84,8 @@ define([
     ConditionWidgetPlugin,
     Espresso,
     Maelstrom,
-    Snow
+    Snow,
+    NotificationIndicator
 ) {
     var bundleMap = {
         LocalStorage: 'platform/persistence/local',
@@ -192,6 +194,7 @@ define([
     plugins.Snow = Snow.default;
     plugins.Condition = ConditionPlugin.default;
     plugins.ConditionWidget = ConditionWidgetPlugin.default;
+    plugins.NotificationIndicator = NotificationIndicator.default;
 
     return plugins;
 });