Add translation capatibilities

Fixes the following issues:

• #4484 (closed)
• #4525 (closed)
• #4526 (closed)
• #4527 (closed)

interface/lib/lang/ar.lng

@@ -158,4 +158,5 @@ $wb['datalog_status_d_xmpp_domain'] = 'Delete XMPP domain';
 $wb['datalog_status_i_xmpp_user'] = 'Create XMPP user';
 $wb['datalog_status_u_xmpp_user'] = 'Update XMPP user';
 $wb['datalog_status_d_xmpp_user'] = 'Delete XMPP user';
+$wb['datalog_changes_close_txt'] = 'Close';
 ?>