Webpack (#18)

See https://github.com/flarum/core/pull/1367

* Replace gulp with webpack and npm scripts for JS compilation
* Set up Travis CI to commit compiled JS
* Restructure `js` directory; only one instance of npm, forum/admin are "submodules"
* Restructure `less` directory

extensions/suspend/js/src/forum/components/UserUnsuspendedNotification.js

@@ -0,0 +1,22 @@
+import Notification from 'flarum/components/Notification';
+import username from 'flarum/helpers/username';
+import humanTime from 'flarum/helpers/humanTime';
+
+export default class UserUnsuspendedNotification extends Notification {
+  icon() {
+    return 'ban';
+  }
+
+  href() {
+    return app.route.user(this.props.notification.subject());
+  }
+
+  content() {
+    const notification = this.props.notification;
+    const actor = notification.sender();
+
+    return app.translator.transChoice('flarum-suspend.forum.notifications.user_unsuspended_text', {
+      actor,
+    });
+  }
+}