restructuration

specs/tools/prelude/mk_dummy.sh

specs/tools/prelude/number_fields.lp.patch

specs/tools/prelude/theories

specs/tools/prelude_patches/01-functions.diff

specs/tools/prelude_patches/02-orders.diff

specs/tools/prelude_patches/03-sets.diff

specs/tools/prelude_patches/04-sequences.diff

specs/tools/prelude_patches/05-function_image.diff

specs/tools/prelude_patches/patch-prelude.sh

specs/tools/pvs2dk.sh

specs/tools/simple/Makefile

tools/bootstrap.sh

tools/load-personoj.lisp