move all files in a subdir to prepare the merge with the sasa repo

lib/Random/random.sh~

-if [ -z ${C_COMPILER} ]; then C_COMPILER=gcc; fi
-$C_COMPILER -o random.exec \
-	Random/utils_random_ext.c Random/lustre_consts.c Random/utils_random.c  Random/utils_random_loop.c
-

lib/Random/utils_random_ext.c~

-#include "utils_random.h"
-void utils_c_rand_step(_integer x,_integer *res){
-  assert (0 < x );
-  *res = (rand() % x);
-}