[Swan-dev] changes on branch hugh-2014may that may be worth adding to master

[D. Hugh Redelmeier]

Of course I think all are worth adding.  I mean before the release.

54e1a7c1f155ed36276d768e5f5447be4699b4a3
	Try to correctly model v2 Transform Attribute Types.

[This one gets rid of a compiler warning.]


4d989b11e0b43c80def708b392aa1a643362c524

    packet.c: diplay the name for IKEv2 transform ID.
    This required adding a slightly baroque mechanism, ft_enum_enum.
    It may enable the removal of ad hoc checking code.