Solved patch #1438626 by depreciating 'gcd' and 'lcm' provided in namespace 'boost' in 'rational.hpp', replaced by the ones in Boost.Math; fored to add 'std::numeric_limits' compatibility as a requirement; started doing invariant checks

[SVN r35843]

libs/rational

@@ -1 +1 @@
-Subproject commit b4391f39ed88baa9bbc1e68ab8c2a064bfa3ada6
+Subproject commit 585171bfc76dd7a7e3f9d355bb5323ad47a15af0

more/borland_cpp.html

@@ -155,9 +155,6 @@ int main()
 }
 </pre>
 
-The boost/rational.hpp header exhibits this problem in connection with
-the gcd() function.
-
 
 <h3>[function address] Resolving addresses of overloaded
 functions</h3>