misc/tsuru-setup: preserve environments on add key for mongod.
misc/gandalf-setup: preserve environments.
docker: returning image id on deploy.
docker: added imageId parameter in start method.
docker: added imageId parameter in runCmds.
docker: deploy should not store the imageId.
docker: removing container after deploy.
docker: returning container in start.
docker: using start instead oldDeploy in addUnits
docker: removed old deploy \o/.
docker: added ssh commands to start commands.
docker: removed commandToRun.
docker: added a way to set image.
docker: storing image id on start.
docker: removed app parameter from runCmds.