Integration of a sphinx-based documentation generator.

The original contribution is from Clément Pit-Claudel. I updated
his code and integrated it with the Coq build system. Many improvements
by Paul Steckler (MIT).

This commit adds the infrastructure but no content.

1 files changed, 8 insertions, 4 deletions

diff --git a/doc/LICENSE b/doc/LICENSE
index 0aa0d629e..7ae31b089 100644
--- a/doc/LICENSE
+++ b/doc/LICENSE
@@ -2,10 +2,14 @@ The Coq Reference Manual is a collective work from the Coq Development
 Team whose members are listed in the file CREDITS of the Coq source
 package. All related documents (the LaTeX and BibTeX sources, the
 embedded png files, and the PostScript, PDF and html outputs) are
-copyright (c) INRIA 1999-2006. The material connected to the Reference
-Manual may be distributed only subject to the terms and conditions set
-forth in the Open Publication License, v1.0 or later (the latest
-version is presently available at http://www.opencontent.org/openpub/).
+copyright (c) INRIA 1999-2006, with the exception of the Ubuntu font files
+(UbuntuMono-Square.ttf and UbuntuMono-B.ttf), derived from UbuntuMono-Regular,
+which is Copyright 2010,2011 Canonical Ltd and licensed under the Ubuntu font
+license, version 1.0
+(https://www.ubuntu.com/legal/terms-and-policies/font-licence). The material
+connected to the Reference Manual may be distributed only subject to the terms
+and conditions set forth in the Open Publication License, v1.0 or later (the
+latest version is presently available at http://www.opencontent.org/openpub/).
 Options A and B are *not* elected.
 
 The Coq Tutorial is a work by Gérard Huet, Gilles Kahn and Christine