license.txt: various fixes

(cherry picked from commit 9ba634ad)

license.txt

@@ -247,7 +247,7 @@ Files: doc/*.rst doc/*.tex doc/*.svg doc/*.pdf doc/*.bib
 Copyright: 1996-2020 Dynare Team
 License: GFDL-NIV-1.3+
 
-Files: doc/dr.tex doc/dr.bib doc/bvar_a_la_sims.tex
+Files: doc/dr.tex doc/dr.bib doc/bvar-a-la-sims.tex
 Copyright: 2007-2011 Sébastien Villemot
 License: GFDL-NIV-1.3+
 
@@ -309,13 +309,8 @@ Copyright: 2009-2019 Homebrew contributors
 License: BSD-2-clause
 
 Files: preprocessor/m4/ax_boost_base.m4
-       preprocessor/m4/ax_boost_system.m4
-       preprocessor/m4/ax_boost_filesystem.m4
 Copyright: 2008-2009 Thomas Porschberg <thomas@randspringer.de>
            2009 Peter Adolphs
-           2008-2009 Michael Tindal
-           2008 Daniel Casimiro <dan.casimiro@gmail.com>
-           2009 Roman Rybalko <libtorrent@romanr.info>
 License: FSFAP
 
 Files: preprocessor/m4/ax_cxx_compile_stdcxx.m4
@@ -344,7 +339,7 @@ Files: preprocessor/doc/preprocessor/*
 Copyright: 2007-2019 Dynare Team
 License: CC-BY-SA-4.0
 
-Files: contrib/jsonlab
+Files: contrib/jsonlab/*
 Copyright: 2011-2018 Qianqian Fang <q.fang at neu.edu>
 License: BSD-2-clause or GPL-3+