Import msgpack-git as wip/msgpack-git.

Basically it's a dupe of devel/msgpack but use
git source code as a next package will require it
Import libuv-0.11.29 as wip/libuv0.11.

Again somewhat a dupe of deve/llibuv but this package is the "old" API of libuv
as there is now a libuv 1.0