Bug 390718: signtool doesn't list signers of JARs with bad signatures also, eliminate all old XP_WIN16 code.  r=alexei
Bug 390718: signtool doesn't list signers of JARs with bad signatures
also, eliminate all old XP_WIN16 code.  r=alexei

thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss