Specify nametype for afs-rxgk identity

Change-Id: I69f8342383693ed1380bef6158a4ca0435529f23
Remove server acceptor identity text

Don't specify anything and leave it up to implementors.

Change-Id: I09aa613736c7ef468e44f81200a951158597b3d5
Update dates

Change-Id: Ia18ef112f43233a45fc8ca6e8cc44b5c168dc179