code: @GET
      @Path("{group}")
      public Iterator<EmoRole> getAllRolesInGroup(@PathParam("group") String group,
                                                  final @Authenticated Subject subject) {
          return _uac.getAllRolesInGroup(subject, group);
      }
docs: Returns all roles in the specified group for which the caller has read access.  Since the number of roles is
  typically low this call does not support "from" or "limit" parameters similar to the system or record.