00:40 ade 

Purge 3 outdated, old-and-busted, versions of automake as part of
ongoing cleanup to find sanity in the world.

Feature safe:   yes (surprisingly)

06:33 ade 

Update to the autotools new world order.

Tested by:      numerous package build runs
Approved by:    portmgr
Thanks to:      des, kris, linimon, pav

00:57 ade 

Remove autoconf254 and automake16 -- they're not used by anything, and will
be superseded by upcoming patches to autoconf257 and automake17 for the
latest and greatest versions.