Changes to make sure we inherit CFLAGS properly from rpmbuild.

This makes sure we build with -fstack-protector-strong when invoked
correctly with it in CFLAGS="" from make.

Signed-off-by: Peter Jones <pjones@redhat.com>
Preserve timestamp during install

  -p, --preserve-timestamps   apply access/modification times of SOURCE files to corresponding destination files
dumpsb - usage message added.

dumpsb accepts command line option ("-s", "--showguid") to display GUIDs.
dumpsb now checks for missing hash description string. If so, displays GUID.

Conflicts:
	util/dumpsb.c