Re-implement support for client redirects.

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index 33d46723ab5cbea876b65efcd9a4e51b163d1195..b7d54348df845ef67625ce962d1ed0e1efeab8ff 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -19,7 +19,6 @@ io/http_headers_state_test: fail
 io/http_headers_test: fail
 io/http_parser_test: fail
 io/http_proxy_test: fail
-io/http_redirect_test: fail
 io/http_server_early_client_close_test: fail
 io/http_server_early_server_close_test: fail
 io/http_server_handler_test: fail
@@ -74,6 +73,7 @@ io/secure_socket_test: fail
 io/secure_stream_test: fail
 
 
+
 package/invalid_uri_test: Fail, OK # Fails intentionally
 
 # These tests fail because the test scripts do not use the new streams library.