Add missing numeric doc build file.

libs/numeric/doc/build.jam

@@ -0,0 +1,11 @@
+# Copyright (c) 2016 Rene Rivera
+#
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+###############################################################################
+alias boostdoc ;
+explicit boostdoc ;
+alias boostrelease : ../conversion/doc//standalone ../odeint/doc//standalone ;
+explicit boostrelease ;