misc: added target-list to bash_completion
misc: fixed dir creation
misc: frunning commands with git user
misc: changed path to git home
provision: initial work on docker provisioner
intial attempt to run docker
docker: added docker binary path to conf file
makefile: added commands to start and stop tsuru with docke. One must find a better place to do this in a near future
api,collector: added docker provisioner
changing order
provision/docker: implemented basic operations. Still need lots of love
Merge branch 'docker' of github.com:globocom/tsuru into docker

Conflicts:
	etc/tsuru-lxc.conf
	misc/lxc-setup.bash
go fmt ./...
provison/docker: fixed some tests.
provision/docker: s/LXC/Docker/g.
provision/docker: fixed some tests.
misc: added target-list to bash_completion
misc: fixed dir creation
misc: frunning commands with git user
misc: changed path to git home