Actually bind BuildDbServer's getfskey argument

Instead of leaving it unused.

Change-Id: I3a642026a216957492f029538bb58e66083dedcc
Attempt to handle non-expiring tokens

I.e., those with expirationtime 0.

Change-Id: Iee0b5bf526142e5f4dac0c8d19b7759e314e05e0
Zero some outputs at the top of the proc

Change-Id: I18ae3fafbe7682c98333ec5e1138e207b2edd7eb
Back to far-future RXGK_NEVERDATE

We had some trouble with handling just '0', so revert for the moment.

Change-Id: Id7d832d30ef4fce488eb99d3715534bd890d47d6
Just go straight to the fallback for now

Cheat, since we know that the non-fallback is not implemented

Change-Id: I64892d6a13b08ff58c8c41ec2eb4c00bd94f9b55