fix(coreos-base/oem-cloudstack): fix DHCP server resolution

The path for network leases has been change in recent versions
of systemd. This fix modified the DHCP server resolution script
used by CloudStack to reflect this change.
coreos-base/coreos-cloudinit: bump to v0.9.2
Merge pull request #793 from jonboulle/bump

coreos-base/coreos-cloudinit: bump to v0.9.2
Merge pull request #792 from petrhosek/oem-cloudstack-networkd-leases-fix

fix(coreos-base/oem-cloudstack): fix DHCP server resolution
coreos-base/coreos-cloudinit: bump to v0.9.3
Merge pull request #794 from crawford/bump

coreos-base/coreos-cloudinit: bump to v0.9.3
systemd: fix udev crash when network devices lack a hwaddr

This refreshes the full set of 215 patches from my v215-coreos branch.
Merge pull request #795 from marineam/crash

systemd: fix udev crash when network devices lack a hwaddr
baselayout: create proper symlinks under /usr/lib/debug

Without these symlinks the path to many things changes and thus gdb
cannot find any symbols.
python: remove 2.6 as a supported version

2.6 is no longer an allowed value by the upstream python eclass.
profiles: disable dependency on x11-misc/shared-mime-info

Newer versions of glib pull in this package simply because lots of
glib/gtk apps need it. This isn't applicable to us.
profiles: break dependency loop between glib and pkg-config
bump: fleet v0.7.0
vim: fix cross-compiling, newer ebuilds rely on broken auto-detection
portage: fix stage1 builds involving new slot dependencies

Really screwy crud going on here, see the upstream bug for details:
https://bugs.gentoo.org/show_bug.cgi?id=520112
update_engine: remove coredumping code, fix glib compatibility
chore(metadata): Regenerate cache
Merge pull request #797 from marineam/updates

Updates for compatibility w/ upstream portage tree
Merge pull request #796 from marineam/debug

baselayout: create proper symlinks under /usr/lib/debug
portage: fix build, had some lingering python2_6 references