DHR-77: Move reordering logic from WSClean

CMakeLists.txt

include/schaapcommon/reordering/msselection.h

include/schaapcommon/reordering/reorderedfilewriter.h

include/schaapcommon/reordering/reorderedhandle.h

include/schaapcommon/reordering/reordering.h

src/reordering/CMakeLists.txt

src/reordering/msselection.cc

src/reordering/reorderedfilewriter.cc

src/reordering/reorderedhandle.cc

src/reordering/reordering.cc

src/reordering/test/CMakeLists.txt

src/reordering/test/runtests.cc

src/reordering/test/treordered_filewriter.cc

src/reordering/test/treordered_handle.cc

src/reordering/test/treordering_extraction.cc

src/reordering/test/treordering_store.cc

src/reordering/test/treordering_utils.cc