Issue #647: CMake: Check for a sufficiently new HDF5 version (#674)

- Also removes FindHDF5.cmake file, which is now shipped with cmake

Author: FlyingSamson

CMakeLists.txt

@@ -171,11 +171,6 @@ install(FILES
     DESTINATION ${CMAKE_INSTALL_PACKAGEDIR}
     COMPONENT development)
 
-install(FILES
-        cmake/FindHDF5.cmake
-        DESTINATION ${CMAKE_INSTALL_PACKAGEDIR}/hdf5
-        COMPONENT development)
-
 #
 # uninstall target
 #