cisstNumerical CMakeLists.txt: only add nmrConstraintOptimizer when cisstNetlib is present
cisstNumerical tests CMakeLists.txt: added nmrConstraintOptimizer
nmrConstraintOptimizer: fixed incomplete query/replace for class nmrConstraintOptimizer, layout
nmrRegistrationRigid: dos2unix
nmrConstraintOptimizer: dos2unix, layout, removed tabs, removed trailing whitespaces