amq doesn't use anything from misc_rpc.c

Change MTAB_TYPE_UFS from "ufs" to "ffs", fixing mount-restarting for them.
Perform one level of expansion on the various "portability" macros from os-*.h
Delete support for Hesiod and the pre-4.4 versions of the NFS API
Delete the no-op unlock_mntlist()
unifdef -UFASCIST_DF_COMMAND -UMOUNT_HELPER_SOURCE
Move the struct mntent and MNTMAXSTR definitions into include/am.h
Move the commented-out -DHAS_NDBM_MAPS into amd/Makefile
Expand OS_REP to "bsd44".
With config/* empty, delete them.

"lot of stuff...but I know your process on this" deraadt@

Start removing portability goo: we have syslog(), strerror(), POSIX regexp,
BSD-style getmntinfo(), BSD signals, 4.4BSD unmount(), etc
Delete configurations for other OSes
Delete fsinfo and mk-amd-map, as we don't build them.

ok deraadt@

branches: 1.1.1;
Initial revision