Remove PGP-sign from TODO. My commits should now be signed!
Modifed root's Makefile.am and created man/Makefile.am to take into account the manpage at install time.

Signed-off-by: KheOps <kheops@ceops.eu>
Add generation of man/Makefile to configure.ac.

Signed-off-by: KheOps <kheops@ceops.eu>
Reduce second TODO item to have configure.ac fetching the tag name from git.

Signed-off-by: KheOps <kheops@ceops.eu>