Rebuild for ntl 9.8.0.

Also, nauty is now available under a free license, so use it.

sagemath.spec

@@ -52,7 +52,7 @@ Name:		sagemath
 Group:		Applications/Engineering
 Summary:	A free open-source mathematics software system
 Version:	6.8
-Release:	9%{?dist}
+Release:	10%{?dist}
 # The file ${SAGE_ROOT}/COPYING.txt is the upstream license breakdown file
 # Additionally, every $files section has a comment with the license name
 # before files with that license
@@ -115,7 +115,7 @@ Patch13:	%{name}-cremona.patch
 # lrslib is a requires
 Patch14:	%{name}-lrslib.patch
 
-# nauty cannot be packaged due to license restrictions
+# correct path to the nauty geng program
 # http://cs.anu.edu.au/~bdm/nauty/
 # http://pallini.di.uniroma1.it/
 Patch15:	%{name}-nauty.patch
@@ -208,6 +208,7 @@ BuildRequires:	m4ri-devel
 BuildRequires:	m4rie-devel
 BuildRequires:	maxima-runtime-ecl
 BuildRequires:	mpfi-devel
+BuildRequires:	nauty
 BuildRequires:	ntl-devel
 BuildRequires:	numpy
 BuildRequires:	palp
@@ -267,6 +268,7 @@ Requires:	jsmath-fonts
 Requires:	lrslib-utils
 Requires:	maxima-gui
 Requires:	maxima-runtime-ecl
+Requires:	nauty
 Requires:	palp
 Requires:	pari-gp
 Requires:	python-crypto
@@ -1500,6 +1502,10 @@ exit 0
 
 ########################################################################
 %changelog
+* Fri Apr 29 2016 Jerry James <loganjerry@gmail.com> - 6.8-10
+- Rebuild for ntl 9.8.0
+- Nauty is now available under a free license
+
 * Wed Apr 13 2016 Jerry James <loganjerry@gmail.com> - 6.8-9
 - Rebuild for linbox 1.4.1