fix(coreos-base/coreos-installer): Set correct source path in repo.

Use local repo checkout instead of falling back to git-2.eclass,
otherwise local development doesn't work.
bump(coreos-base/coreos-installer): Use fixed version of setgoodroot.

Now maybe upgrades work for more than one boot!
Merge pull request #193 from marineam/setgoodroot

Fix setgoodroot
Merge pull request #194 from gregkh/kernel_update

fix(sys-kernel/coreos-kernel) build in almost all kernel modules
bump(coreos-base/coreos-init): Add ssh key fingerprints to issue.
Merge pull request #195 from marineam/sshkey

bump(coreos-base/coreos-init): Add ssh key fingerprints to issue.
bump(coreos-base/coreos-installer): Latest setgoodroot fix
Merge pull request #196 from marineam/root

bump(coreos-base/coreos-installer): Latest setgoodroot fix
feat(coreos/base): add ping

sysadmins are likely going to need some basic tools to debug network
stuff in the base system.
Merge pull request #197 from philips/add-network-diag-tools

feat(coreos/base): add ping