[Typescript] Convert tools page to TS (#344)

* Convert controller to TS.

* Remove $scope and move methods into class.

* Convert tools to component.

src/popup/app/tools/tools.module.ts

@@ -0,0 +1,7 @@
+import * as angular from 'angular';
+import { ToolsComponent } from './tools.component';
+
+export default angular
+    .module('bit.tools', ['ngAnimate', 'ngclipboard', 'toastr', 'oitozero.ngSweetAlert'])
+    .component('tools', ToolsComponent) 
+    .name;