LT-61: Record actions that create, modify, delete, associate timepoints, remove associations and login

- Show Last Login Date popup after login successful
(WIP)

LesionTracker/client/routes.js

@@ -26,7 +26,8 @@ var data = {
         'associationModal',
         'optionsModal',
         'serverInformationModal',
-        'confirmRemoveTimepointAssociation'
+        'confirmRemoveTimepointAssociation',
+        'lastLoginModal'
     ]
 };