datagrid: fix some styling and processing text.

rhodecode/public/css/navigation.less

@@ -555,6 +555,11 b' ul#context-pages {'
     }
 }
 
+.dataTables_processing {
+    text-align: center;
+    font-size: 1.1em;
+}
+
 .dataTables_paginate, .pagination-wh {
     text-align: left;
     display: inline-block;
@@ -579,6 +584,15 b' ul#context-pages {'
         color: @grey3;
         cursor: default;
     }
+
+    .ellipsis {
+        display: inline-block;
+        text-align: left;
+        padding: @menupadding/4 @menupadding;
+        border: 1px solid @rcblue;
+        border-left: 0;
+        float: left;
+    }
 }
 
 // SIDEBAR

rhodecode/templates/admin/users/users.mako

@@ -18,6 +18,7 b''
 </%def>
 
 <%def name="main()">
+
 <div class="box">
 
     <div class="title">
@@ -50,7 +51,7 b''
 
     // user list
     $('#user_list_table').DataTable({
-      processing: false,
+      processing: true,
       serverSide: true,
       ajax: "${h.route_path('users_data')}",
       dom: 'rtp',
@@ -79,6 +80,7 b''
       ],
       language: {
           paginate: DEFAULT_GRID_PAGINATION,
+          sProcessing: _gettext('loading...'),
           emptyTable: _gettext("No users available yet.")
       },