New MonaLisa module. Supports now also reading from MonaLisa via the new
gSoap interface. The reader and writer now derive from the abstract
base classes: TVirtualMonitoringWriter and TVirtualMonitoringReader.


git-svn-id: http://root.cern.ch/svn/root/trunk@15558 27541ba8-7e3a-0410-8455-c3a389f83636