upgrade to docker 0.7
switch to flynn/slugbuilder and flynn/slugrunner
use upstart template from chef-docker
upgrade to docker 0.7.1
create build directory explicitly
remove build directory from runtime recipe
wipe all docker containers after slugrunner image is created
run container in background in pre-start
cleanup log output in /var/log/upstart/deis-*
Merge pull request #44 from opdemand/docker-0.7

Upgrade to docker 0.7, switch to flynn slugbuilder/slugrunner