* doc/manuals/Makefile: New file, generated by sphinx-quickstart.
* doc/manuals/abidiff.rst: New manual for abidiff.
* doc/manuals/abidw.rst: New manual for abidw.
* doc/manuals/abilint.rst: New manual for abilint.
* doc/manuals/conf.py: New configuration file generated by sphinx-quickstart.
* doc/manuals/index.rst: The root of the this documentation.
* doc/manuals/libabigail-overview.rst: The overview of libabigail.
* doc/manuals/tools.rst: The root of the tools manuals.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>