chore(templates): directive template

scripts/templates/directive/spec.ts.tmpl

@@ -1,4 +1,3 @@
-
 describe('$CLASSNAME', () => {
   it('should do something', () => {
     expect(true).toEqual(true);

scripts/templates/directive/ts.tmpl

@@ -1,11 +1,11 @@
 import { Directive } from '@angular/core';
 
-/*
-  Generated class for the $CLASSNAME directive.
-
-  See https://angular.io/docs/ts/latest/api/core/index/DirectiveMetadata-class.html
-  for more info on Angular 2 Directives.
-*/
+/**
+ * Generated class for the $CLASSNAME directive.
+ *
+ * See https://angular.io/docs/ts/latest/api/core/index/DirectiveMetadata-class.html
+ * for more info on Angular Directives.
+ */
 @Directive({
   selector: '[$FILENAME]' // Attribute selector
 })