Update joyent and wip
Backport GCC 4.8.2 from trunk.
Update 'joyent' and 'wip' submodules.
Merge branch 'joyent/feature/miscfix/2013Q3' into joyent/release/2013Q3
Merge branch 'joyent/release/2013Q3' into joyent/release/2013Q3_sngl