Update TR1 library to cope with GCC-4.3 in C++0x mode, and in TR1 mode.

Updated regex concepts to match the TR1.
Added "tricky" cmath_test to test for the functions Boost doesn't implement.

[SVN r48413]

libs/regex

@@ -1 +1 @@
-Subproject commit 1297f92b8a1a7ff634ed4d38f9c6f58af8dc0d3d
+Subproject commit 4212c0d915ea2d5102803d3e0015c47a2e9edf04

libs/tr1

@@ -1 +1 @@
-Subproject commit b3bdc24b806800494ab611fb93e8001d7b36f96c
+Subproject commit e00519a4727ae5ea9bb79edfe563fed0e57dc0ae