* Add docker Ubuntu Trusty packer template.
* Rework cmtools to install ansible and puppet
* Add support for Vagrant provider docker.
* Containers will share the host system docker daemon
and images in the storage, so may be run nested.
* Ensure the rsyslogd and sshd is running in containers.
* Also ensure the /var/log/solar dir, which is required for docker.
* W/a Solar-hardcoded and vbox specific ssh key paths
for docker case.
* Update FAQ and docs
Depends-on: I881d362968a10d816cbd368cb185900dfaa0b3bc
Partial-bug: #1547587
Note, vagrant does not support vm.network and exec based
provisioning for docker, so there are workarounds.
Change-Id: Idf91bd6ed2fb90601f517064705df7721aeae3fb
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>