Pull up following revision(s) (requested by tls in ticket #1338):
	share/mk/bsd.README: revision 1.265
	share/mk/bsd.lib.mk: revision 1.304
Change shared object file extension from .so to .pico, to avoid
conflicts with shared libaries names libXX.so; as recently seen with
MKUPDATE=yes builds for libelf and libnvpair.
All now stalled regular .so files need to be manually removed from
object directories.
Pull up following revision(s) (requested by tls in ticket #1339):
	UPDATING: revision 1.209 via patch
Note shared objects extension change, and stalled files.
Ticket 1338 and 1339.