fixes issue #203, added revoke message

rhodecode/templates/admin/repos/repo_edit_perms.html

@@ -39,6 +39,7
             <td>
               %if r2p.user.username !='default':
                 <span class="delete_icon action_button" onclick="ajaxActionUser(${r2p.user.user_id},'${'id%s'%id(r2p.user.username)}')">
+                ${_('revoke')}
                 </span>
               %endif                    
             </td>
@@ -67,6 +68,7
             <td><img  style="vertical-align:bottom" src="${h.url("/images/icons/group.png")}"/>${g2p.users_group.users_group_name}</td>
             <td>
                 <span class="delete_icon action_button" onclick="ajaxActionUsersGroup(${g2p.users_group.users_group_id},'${'id%s'%id(g2p.users_group.users_group_name)}')">
+                ${_('revoke')}
                 </span>
             </td>
         </tr>