Switch master to v0.5.0.
Ensure that the slug root already exists before attempting to clean up old slugs.  If it doesnt this causes an exception when compiling cookbooks
Merge pull request #64 from kangaroo/master

Ensure that the slug root already exists before attempting to clean up
super WIP on chef/containerization
remove # from default key values
add builder and registry placeholder, more cleanup
move etcd sets out of chef and into container
deprecate old server recipe
use ruby_block resources to wait for etcd keys
use wait_tcp library function to wait for etcd port
add bind-mounts to all containers for live changes during vagrant dev, remove upstart services
bind docker to all interfaces for external connectivity
allow for buildpack customization inside deis/builder
add the deis/registry to the controller recipe
new deis/registry component and recipe
pull images from public index
update chef deps in Berksfile.lock
bump wait time on cache
bind mount confd/bin directories when using vagrant
fix bind-mounts for vagrant provider