SyncGenerator::addUserToBpGroup( $userId,  $type,  $remove )

	protected function addUserToBpGroup($userId, $type, $remove)
	{
		$groupMember = new BP_Groups_Member($userId, $this->bpGroupId);
		$syncTo = $this->getLdSyncToRole($type);

		if ($remove) {
			return $groupMember->remove();
		}

		$groupMember->group_id     = $this->bpGroupId;
		$groupMember->user_id      = $userId;
		$groupMember->is_admin     = 0;
		$groupMember->is_mod       = 0;
		$groupMember->is_confirmed = 1;

		if ('user' != $syncTo) {
			$var = "is_{$syncTo}";
			$groupMember->$var = 1;
		}

		$groupMember->save();
	}