Add batch actions to local user table

Add ability to remove, enable, disable local users in bulk.

- Updates to table-actions component to fix flickering issue
  by including track by $index in ng-repeat

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I67039e9b9d9cf7debe9f6ef87e71210bd4b64251
diff --git a/app/users/controllers/user-accounts-modal-remove.html b/app/users/controllers/user-accounts-modal-remove.html
index e615251..4a3efce 100644
--- a/app/users/controllers/user-accounts-modal-remove.html
+++ b/app/users/controllers/user-accounts-modal-remove.html
@@ -8,7 +8,8 @@
     </button>
   </div>
   <div class="modal-body">
-    <p>Are you sure you want to remove user '{{modalCtrl.user}}'? This action cannot be undone.</p>
+    <p ng-if="modalCtrl.users.length > 1">Are you sure you want to remove {{modalCtrl.users.length}} users? This action cannot be undone.</p>
+    <p ng-if="modalCtrl.users.length === 1">Are you sure you want to remove user '{{modalCtrl.users[0].UserName}}'? This action cannot be undone.</p>
   </div>
   <div class="modal-footer">
     <button class="btn btn-secondary" ng-click="$dismiss()" type="button">