C1) Turn shells/zsh-devel into a stub which prints a message that
points people at the new shells/zsh, upgraded to 4.0.1.
M1) Add patch to fix some functions included in 4.0.1.
M2) Remove obsolete patches.
M3) Remove MASTER_SITE_LOCAL since we can't use knu's version now.
W1) Remove MASTER_SITE_LOCAL fully.
W2) Put patch-aa in patch-ab for backwards-compatible diffing.
W3) Do C1 with the least diff, using pre-everything:: and then
${FALSE}'ing out after printing the message.
Submitted by: MANTANI Nobutaka <nobutaka@nobutaka.com>,
Christian Weisgerber <naddy@mips.inka.de>
Noted by: Cyrille Lefevre <clefevre@redirect.to>,
Øyvind Kolbu <oyvind@kebab.gaffel.nu>
Approved by: shige (C1)
c4314f0ecb