coreos-kernel: bump stable to 3.17.7, testing to 3.18.1
Merge pull request #1013 from marineam/kernel

coreos-kernel: bump stable to 3.17.7, testing to 3.18.1
coreos-base/oem-azure: always restart waagent
Merge pull request #1014 from crawford/waagent

coreos-base/oem-azure: always restart waagent
add open-vmdk 1.0 (utility to create vmware ova files)
add open-vmdk to sdk-depends
Merge pull request #1015 from vmware/open-vmdk

add open-vmdk 1.0 (utility to create vmware ova files)
app-emulation/docker: add --insecure-registry flag

This is a temporary workaround to allow people to transistion into 1.3+
smoothly. This sets --insecure-registry=0.0.0.0/0 to maintain backward
compatibility.
Merge pull request #1016 from crawford/docker

app-emulation/docker: add --insecure-registry flag
docker: sync live ebuild with current upstream ebuild

These changes are not applicable to 1.3.3 so that ebuild is now a copy
instead of a symlink. This is in preparation for adding 1.4.0.
docker: add wrapper for detecting storage driver and bump to 1.4

The new dockerd wrapper script does its best to select between the btrfs
and overlay backends based on the filesystem mounted at /var/lib/docker.

The new 1.4 version will remain marked as ~amd64 for testing purposes
until we stabilize its dependencies, including Linux 3.18.x.