Fixes #584
Merge pull request #657 from bradrydzewski/master

CC should return not fount 404
Added support for sysV systems, like debian 7
Upgrade vagrant file
Merge pull request #661 from Bugagazavr/vagrant

Vagrant upgrade
Merge pull request #659 from Bugagazavr/add-sysv

Added support for sysV systems, like debian 7
swap url and linktext positions for slack
update to new goji wildcard format
Merge pull request #664 from compressed/slack_fix

swap url and linktext positions for slack
Merge pull request #665 from compressed/goji_wildcard

update to new goji wildcard format
docker_version can now be left blank to automatically download and
install the latest available. Docker client will not be installed if it
is already present in the build container.
Merge pull request #629 from epipho/local-docker-client

Allow docker publish to use an installed docker cli
Merge pull request #600 from netantho/netantho-584

Fixes #584
added docs to README