Merge branch 'master' of github.com:garethr/garethr-docker
Some code deduplication
Add support of Debian-based distros' docker package

If `$use_upstream_package_source = false` we install the distro-provided
package
Merge branch 'use_distro_packages'
Remove trailing whitespace
Merge branch 'master' of github.com:garethr/garethr-docker
Merge branch 'master' of github.com:garethr/garethr-docker
Merge branch 'master' of github.com:garethr/garethr-docker
Merge branch 'master' of github.com:garethr/garethr-docker
Fix Debian's prerequisites
Merge branch 'master' of https://github.com/netmanagers/garethr-docker into netmanagers-master

Conflicts:
	manifests/run.pp
	manifests/service.pp
	spec/classes/docker_spec.rb
Merge branch 'netmanagers-master'