xmlfactory: Add factory class for XML stuff (parser)
instruction factory: Use XML parser to implement models for instructions

Allows defining how instructions behave (jumps) from the GUI.
build: Crpcut: Look for crpcut in simons home dir
unit test: Destruct the XML factory as well
build: Build with the bfd disassembler and the xmlfactory
opdis-disasembler: Remove (no longer used)