cmake MFU examples

InsightSoftwareConsortium/ITK Modules/ThirdParty/HDF5/src/itkhdf5/CMakeLists.txt :1040

find_package(MFU REQUIRED)

Kitware/VTK ThirdParty/hdf5/vtkhdf5/CMakeLists.txt :1126

find_package(MFU REQUIRED)

HDFGroup/hdf5 CMakeLists.txt :1130

find_package (MFU REQUIRED)