We have a visitor now for generating
 - the XML
 - the Module's dot graph
 - the textual dump of the VariableNetwork
 - the dot graph of the VariableNetwork

Fixed tests which were broken after updating the demoApp due to changed map files. Now the tests have their independent map files.

removed the boost libraries from the test since linking against the boost unit test library leads to crashes on newer gcc/boost versions

added missing cxx and linker flags from dependencies, removed some remaining traces of direct DOOCS dependency variables