Changes for branch openafs-stable-1_8_x.

14345ptserver: Remove duplicate ubik_SetLock in listSuperGroups
14341Revert "vos: take RO volume offline during convertROtoRW"
14331INSTALL: document the minimum Linux kernel level
14328LINUX: Always crref after _settok_setParentPag
14327LINUX: Copy session keys to parent in SetToken
14326vos: avoid CreateVolume when restoring over an existing volume
14325rxkad: Use krb5_enctype_keysize in tkt_DecodeTicket5
14314redhat: Add make to the dkms-openafs pre-requirements
14264Make OpenAFS 1.8.7pre11.8.7pre1