With the permission of Romain Degez, CTO of Smartjog.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Opening stdout/stderr in write mode to prevent exceptions to be raised.

It uses pyev child watcher to handles child termination instead of calling
waitpid.

Usefull after fork.

Harmless renaming.

Initialization, re-authentication...