feat(Vagrantfile): use "virtio" network devices by default
chore(controller): update psycopg to 2.5.4

http://pythonhosted.org//psycopg2/news.html#what-s-new-in-psycopg-2-5-4
http://pythonhosted.org//psycopg2/news.html#what-s-new-in-psycopg-2-5-3
Merge pull request #2141 from mboersma/update-psycopg

chore(controller): update psycopg to 2.5.4
Typo
Merge pull request #2165 from glomium/patch-1

Typo
Merge pull request #2157 from mboersma/use-vagrant-virtio

feat(Vagrantfile): use "virtio" network devices in virtualbox
fix(deisctl): dont print newlines for global units
ref(builder): add data container to speed same-host maintenance
ref(database): add data container to speed same-host maintenance
ref(store): use data container for quorum-friendly image updates
chore(store): add start delay on OSD recovery
fix(database): initdb if not already initialized
fix(deisctl): ignore units that dont exist on destroy
fix(deisctl): force container removal in ExecStopPort
fix(controller): use deis-logger for requires
fix(database): reset permissions before initdb
ref(deisctl): staged unit orchestration to support upgrades
fix(controller): add default retries to scheduler
docs(upgrade): add in-place upgrade docs, refactor migration upgrade docs
docs(deisctl): update with new output