feat(block-until-url): Import block-until-url from etcd ebuild.
feat(block-until-url): Import block-until-url from etcd ebuild.

Cleaned up a bit still the same little script.

crawford/init,BugRoger/init,zhang0137/init,coreos/init,crawford/init,nicescale/init,BugRoger/init,coreos/init,zhang0137/init,nicescale/init,coreos/init,endocode/init,endocode/init