Revision 148

Added todo.txt in doc
Added package dependencies in UML data model and added descriptions to the packages.
Moved old uml to input/previous and renamed LOB model back to the basic model.
Renamed some of the xsl scripts, iso xml I use intermediate to refer to the XML we create directly form the XMI.
Added xmiid and xmiidref to the intermediate representation, for linking back to XMI source and for use in referencing inside the model.
Updated the build.xml accordingly.
makeAll runs and compiles.