Fixed locales
Installed tox and pytest in python env
Renamed containers to nodes
Added oardocker exec command
Revert base image to wheezy
Switch python env to ubuntu precise
Added the old jessie env
Bump version 0.3.0
Fixed the Dockerfiles "FROM" statement
Removed default environment alias
bump version 0.3.1
Automatically imported oar-lib in .pythonrc
Added --workdir option to exec cmds