Still not there because docker-compose appears to do some
things behind closed doors and I cannot figure them out yet.

Numpy is already installed in itango.

THX Marcel.

I cannot - for my life! - figure out how to log something to the logging system.

This makes it actually possible to print a traceback.

This should allow to install 3rd party packages with pip.

There are more scripts coming.

Makes more sense that it is there.

I am using the standard CORBA::ULong goe now.  But note that this is mapped per machine and not per universe!

This allows us to see when the OPC-US server is not responding.

This ensures that the file can be store in the host ${HOME} dir
outside of the container.

Also added ${TANGO_CONTAINER_ENV} that sets environment variables