libeazelinstall work :	Muy work. Worked around orbit-idl's shortcommings,
by packing the
dependency trees for the (un)install_failed callbacks into
xml. Uninstall now does the upwards traversel to detect packages
that will break. Still not the downwards though. Installing a
packge using the filename no longer results in a query for the
file to the server, although we still download all missing deps.

Most of the corbafication stuff is done.

The installer also works again.