Add build-essential meta-package
Add illumos-gate build deps into build-essential
Add 32-bit and 64-bit pkgconfig to userland
Modify copyright for pkg-config
Merge branch 'build-essential' of https://github.com/xen0l/oi-userland into build-essential

Conflicts:
	components/meta-packages/build-essential/build-essential.p5m