reworked regex directory structure to match boost requirements.

[SVN r9752]

libs/regex

@@ -1 +1 @@
-Subproject commit dcb64d5db70bf89f445195dc244134d594d147d5
+Subproject commit ed21a5183b6cdd391563a6ac50438c8e5217635c

status/regression.cfg

@@ -29,8 +29,8 @@ run libs/rational/rational_example.cpp
 run libs/rational/rational_test.cpp
 run libs/random/random_test.cpp
 run libs/random/random_demo.cpp
-run libs/regex/demo/regress/regex_test.cpp %boost/libs/regex/demo/regress/tests.txt
-run libs/regex/demo/regress/wregex_test.cpp %boost/libs/regex/demo/regress/tests.txt
+run libs/regex/test/regress/regex_test.cpp %boost/libs/regex/demo/regress/tests.txt
+run libs/regex/test/regress/wregex_test.cpp %boost/libs/regex/demo/regress/tests.txt
 run libs/smart_ptr/smart_ptr_test.cpp
 compile libs/static_assert/static_assert_test.cpp
 compile-fail libs/static_assert/static_assert_test_fail_1.cpp
@@ -72,3 +72,4 @@ run libs/utility/tie_example.cpp
 
 
 
+