docker.upstart: avoid spawning a `sh` process

start script / end script create an intermediate sh process.
docker.upstart: use the same start/stop events as sshd

Is probably more solid
add ps args to docker top
bump api version to 1.4
Merge branch 'master' into 1237-improve_docker_top-feature

Conflicts:
	docs/sources/api/docker_remote_api.rst
ensure mount in commit
add regression test + go fmt
Fixes 1136; Reopened from 1175 with latest changes.
fix wrong untag when using rmi via id
fix docs
add regression test
Bind daemon to 0.0.0.0 in Vagrant. Fixes #1304
Add required go version for compilation
Merge pull request #1318 from gaffo/compile_docs

Add required go version for compilation
Do not show empty parenthesis if the default configuration is missing.
Remove unused argument.
Remove deprecated copy from README
use ParseRepositoryTag instead on split on : in imagedelete
add ParseRepositoryTag tests
add regression tests