Added newsletter custom stylesheets and js alert

app/assets/javascripts/application.js

@@ -75,6 +75,7 @@
 //= require sortable
 //= require table_sortable
 //= require investment_report_alert
+//= require send_newsletter_alert
 
 var initialize_modules = function() {
   App.Comments.initialize();
@@ -117,6 +118,7 @@ var initialize_modules = function() {
   App.Sortable.initialize();
   App.TableSortable.initialize();
   App.InvestmentReportAlert.initialize();
+  App.SendNewsletterAlert.initialize();
 };
 
 $(function(){