Adjust run_random test to be TR1 conforming (zero argument to seed isn't required by TR1) and make default parameters for mersenne_twister consistent.

[SVN r48121]

libs/tr1

@@ -1 +1 @@
-Subproject commit defb750d73dd86e6d49f50cc46275e2252a45358
+Subproject commit 685cc3f92a128b54c3ffa80ebbd309da169fa22a