More template filters for Libraries, Users, and Sync

data/interfaces/default/libraries.html

@@ -25,6 +25,7 @@
         </div>
         <div class="button-bar">
             <div class="colvis-button-bar hidden-xs"></div>
+            % if _session['user_group'] == 'admin':
             % if config['update_section_ids'] == -1:
             <button class="btn btn-dark refresh-libraries-button" id="refresh-libraries-list" disabled><i class="fa fa-refresh"></i> Refresh libraries</button>
             % else:
@@ -34,6 +35,7 @@
                 <i class="fa fa-pencil"></i> Edit mode
             </button>&nbsp
             <div class="alert alert-danger alert-edit" role="alert" id="row-edit-mode-alert"><i class="fa fa-exclamation-triangle"></i>&nbspSelect libraries to delete/purge. Data is deleted/purged upon exiting edit mode.</div>
+            % endif
         </div>
     </div>
     <div class='table-card-back'>