fix(coreos-base/coreos): move experimental packages to new ebuild

These projects are still maturing. Move them into an ebuild people can
build manually for now.
fix(coreos-base/coreos): fixup the description

correct url and description fields.
fix(coreos-base/coreos-experimental): fix LICENSE

version 2 not @
Merge pull request #28 from philips/create-coreos-exp

Create coreos experimental