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
ref(cache): just use go. remove bash script
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
chore(builder): update Docker engine to 1.3.0
fix(controller): use docker cache
Merge pull request #2166 from mboersma/builder-docker-130

chore(builder): update Docker engine to 1.3.0
Merge pull request #2143 from aledbf/logger_just_use_go

ref(cache): just use go. remove bash script
Merge pull request #2170 from aledbf/fix_controller_docker_cache

fix(controller): use docker cache