Prevent confusion by moving code related to build system under CMake dir

CMakeLists.txt

@@ -879,5 +879,5 @@ add_subdirectory( Documentation )
 # The commands in this directory are intended to be executed as
 # the end of the whole configuration process, as a "last step".
 # This directory is typically the last SUBDIRS in the main CMakeLists.txt.
-add_subdirectory(Utilities/LastConfigureStep)
+add_subdirectory(CMake/LastConfigureStep)
 

SuperBuild.cmake

@@ -27,7 +27,7 @@
 #-----------------------------------------------------------------------------
 # Declare CTK_EXTERNAL_LIBRARY_DIRS variable - This variable stores
 # the library output directory associated with the different external project
-# It's then used in Utilities/LastConfigureStep/CTKGenerateCTKConfig.cmake to
+# It's then used in CMake/LastConfigureStep/CTKGenerateCTKConfig.cmake to
 # configure CTKConfig.cmake.in
 # This variable would then be exposed to project building against CTK
 set(CTK_EXTERNAL_LIBRARY_DIRS)