Updated is_base_of and is_convertible tests to match TR1 requirements.

Disabled tests that are Boost-specific, when TEST_STD is defined.
Suppress some gcc warnings.


[SVN r31632]

libs/type_traits

@@ -1 +1 @@
-Subproject commit 4c8fca9bc96dfd0edd8dcb19c1dbd459e4c94283
+Subproject commit b1a35a8ee38cc4bfce2774e8704ed4308db9201d