test
adding a Masked Strip File as CMN Parameter to the Config file
This filename is then a member of CMTester and passed to the Ctor of CMAnalyser

CMAnalyser Ctor then reads the file and fills a map of sets with the masked strips

method isMasked checks each strip of each cbc if it is masked and if so, does not use it
the number of active strips for the fit is the total number of strips - the size of the set for each cbc