* Implemented '--set-marker-fadedown=' and '--set-marker-fadeup*='
options for rdimport(1) in 'utils/rdimport/markerset.cpp',,
'utils/rdimport/markerset.h', 'utils/rdimport/rdimport.cpp' and
'utils/rdimport/rdimport.h'.
* Implemented '--set-marker-end-*=' and '--set-marker-start-*='
options for rdimport(1) in 'utils/rdimport/markerset.cpp',,
'utils/rdimport/markerset.h', 'utils/rdimport/rdimport.cpp' and
'utils/rdimport/rdimport.h'.