Major CMake changes to a more modern cmake

CMakeLists.txt

CMakeModules/morse_cmake

CMakeModules/utils.cmake

CPackConfig.cmake

Contribs/CMakeLists.txt

Doc/Doxyfile.in

Examples/CMakeLists.txt

ScalFMMConfig.cmake.in

Tests/CMakeLists.txt

Tests/GroupTree/compareDAGmapping.cpp

Tests/GroupTree/testBlockedAlgorithm.cpp

Tests/GroupTree/testBlockedAlgorithmDyn.cpp

Tests/GroupTree/testBlockedChebyshev.cpp

Tests/GroupTree/testBlockedRotation.cpp

Tests/GroupTree/testBlockedRotationCompare.cpp

Tests/GroupTree/testBlockedTaylor.cpp

Tests/GroupTree/testBlockedTree.cpp

Tests/GroupTree/testBlockedUniformCompare.cpp

Tests/Kernels/DirectAlgorithm.cpp

Tests/Kernels/testChebAlgorithm.cpp