Start of man-pages-3.70: renaming .Announce and .lsm files
Start of man-pages-3.70: updating .Announce and .lsm files
Start of man-pages-3.70: updating Changes and Changes.old
Changes.old: Fixes to 3.69 changelog

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
:eventfd.2, fallocate.2, open.2, sendmmsg.2, signalfd.2, proc.5, sched.7, socket.7, udplite.7: spfix: "behaviour": use American spelling "behavior" instead

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
shmget.2: grfix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>