Tweak the pilot network in the ready-state wizard.
pilot network specifies IPv4 network in the UI.  Use it.
Merge pull request #248 from galthaus/ready_state_cleanup

+2 Tweak the pilot network in the ready-state wizard.
Fixes #199
Update ubuntu images
preliminary info about adding missing RAID tools
Update README.md
Merge pull request #249 from galthaus/ubuntu-update

Update ubuntu images
should not be done here
Remove unused and failing list for ubuntu chef-client install
Update ubuntu preseed to use the install_squashfs
from 12.10 and beyond
Add ubuntu-14.04 base template
Don't put the crowbar-installed milestone on docker nodes
from the ready-state wizard.
Merge pull request #252 from galthaus/ubuntu-14-04-base-repo-fix

Add ubuntu-14.04 base template
Merge pull request #253 from galthaus/ubuntu-12-10-squashfs-fix

Update ubuntu preseed to use the install_squashfs for 12.10 and beyond
Merge pull request #254 from galthaus/ubuntu-chef-client-install-fix

Remove unused and failing commands for ubuntu chef-client install
Merge pull request #257 from galthaus/docker-ready-state-fix

Don't put the crowbar-installed milestone on docker nodes
Kill all traces of previous OS installs.

Since I am testing on physical machines now and i can install the OS,
I need to nuke the disks from orbit in a clean-ish fashion.
Merge pull request #258 from VictorLowther/clean-hard-drives-on-os-install

Kill all traces of previous OS installs.