Have MakeMaker use proper ARCHLIBDIR (fixes PLIST check).
Finally fix the old ALTERNATIVES bug in gcc48.
Pull the multiarch GCC rpath fix into miscfix.
Disable zlib so that we don't pull in platform libz.
Merge branch 'joyent/feature/miscfix/2013Q2' into joyent/release/2013Q2
Update 'joyent' and 'wip' submodules.