ENH: Automatic move of files to module Filtering/DEM

...les/Filtering/DEM/include/otbDEMCaracteristicsExtractor.h

...s/Filtering/DEM/include/otbDEMCaracteristicsExtractor.txx

Modules/Filtering/DEM/otb-module.cmake

Modules/Filtering/DEM/test/CMakeLists.txt

Modules/Filtering/DEM/test/otbDEMCaracteristicsExtractor.cxx

...s/Filtering/DEM/test/otbDEMCaracteristicsExtractorNew.cxx

Modules/Filtering/DEM/test/otbDEMTestDriver.cxx

Modules/Filtering/Statistics/otb-module.cmake

Modules/Filtering/Statistics/test/CMakeLists.txt

...les/Filtering/Statistics/test/otbStatisticsTestDriver.cxx