Added stlport-cstd-namespace feature to import names like memcpy into std::, where they belong

Fixed runtime behavior to find the STLPort dlls


[SVN r13608]

tools/build

@@ -1 +1 @@
-Subproject commit f02dec2fca0a5091b60f648930484b96b6c8e43f
+Subproject commit b74de47cee056a94905efece295bd991c921c785