Merge pull request #119 from bodepd/secrets

Move secrets from common.yaml into secrets/common.yaml
Fix nova conductor zeromq type
Merge pull request #122 from bodepd/fix_zeromq_list

Fix nova conductor zeromq type
Eatdata

This patch adds eatmydata for both the vagrant-vbox as well
as the acceptance test environment.

eatmydata disables fsync which should greatly improve install
time for test environment. It should *never* be used for
production or staging.