CMake module: better verbosity control
CMake module: better verbosity control

jlblancoc/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows,dtmoodie/suitesparse-metis-for-windows,jlblancoc/suitesparse-metis-for-windows