Merge pull request #689 from gregkh/kernel_update

bump(sys-kernel/coreos-kernel): bump to 3.15.1 release
bump(sys-kernel/coreos-firmware): Update to new snapshot

This includes new bnx2x firmware required by linux 3.15:
 * Missing firmware: bnx2x/bnx2x-e2-7.8.19.0.fw (bnx2x.ko)
 * Missing firmware: bnx2x/bnx2x-e1h-7.8.19.0.fw (bnx2x.ko)
 * Missing firmware: bnx2x/bnx2x-e1-7.8.19.0.fw (bnx2x.ko)
Merge pull request #690 from marineam/firmware

bump(sys-kernel/coreos-firmware): Update to new snapshot
bump(coreos-base/coreos-cloudinit): bugfix release 0.7.7

Fixes unit issues that caused configdrive to be ignored.
Merge pull request #691 from marineam/mount

bump(coreos-base/coreos-cloudinit): bugfix release 0.7.7
chore(metadata): Regenerate cache
bump(app-admin/locksmith): v0.1.4
Merge pull request #692 from jonboulle/master

bump(app-admin/locksmith): v0.1.4
fix(sys-apps/systemd): Disable elfutils dependency

Recently added to systemd, configure is detecting elfutils as present
but compilation fails, perhaps a version mismatch. Need to report this
to Gentoo so they can add a proper use flag and dependency.
Merge pull request #693 from marineam/systemd

fix(sys-apps/systemd): Disable elfutils dependency
bump(fleet): Upgrade to v0.5.1
Merge pull request #694 from bcwaldon/bump-fleet

bump(fleet): Upgrade to v0.5.1
app-emulation/docker: bump to docker 1.0.1
app-emulation/docker: add LimitNOFILE=1048576

Default to having a high file number limit this can be troublesome[1]
but most containers a based on a new enough glibc that this is OK.

[1] https://github.com/dotcloud/docker/issues/6560
Merge pull request #695 from philips/bump-docker-fileno

docker: bump to 1.0.1 and increase LimitNOFILE
coreos-au-key: add 'official' use flag and new public key
update_engine: bump for using key version 2
etcd: bump to 0.4.4
fleet: Set restart policy for systemd unit

Setting Restart=always and RestartSec=10s which is the same settings on
etcd.service
fleet: bump revision