Set up secondary submit to testing-dev.sandia.gov/cdash/

This is needed to provide testing of the development site:

   testing-dev.sandia.gov/cdash/

We need to test submits and we need data to test other aspects of that CDash
site as we have Kitware add new features.

CTestConfig.cmake

@@ -15,4 +15,9 @@ IF (CTEST_DROP_METHOD STREQUAL "http" OR CTEST_DROP_METHOD STREQUAL "https")
   SET_DEFAULT_AND_FROM_ENV(CTEST_DROP_LOCATION "/cdash/submit.php?project=Trilinos")
   SET_DEFAULT_AND_FROM_ENV(CTEST_TRIGGER_SITE "")
   SET_DEFAULT_AND_FROM_ENV(CTEST_DROP_SITE_CDASH TRUE)
+  # Secondary submit to development CDash site
+  SET_DEFAULT_AND_FROM_ENV(TRIBITS_2ND_CTEST_DROP_SITE
+    "testing-dev.sandia.gov")
+  SET_DEFAULT_AND_FROM_ENV(TRIBITS_2ND_CTEST_DROP_LOCATION
+    "/cdash/submit.php?project=Trilinos")
 ENDIF()