Add a CDash support to vtkm.

CTestConfig.cmake

+## This file should be placed in the root directory of your project.
+## Then modify the CMakeLists.txt file in the root directory of your
+## project to incorporate the testing dashboard.
+## # The following are required to uses Dart and the Cdash dashboard
+##   ENABLE_TESTING()
+##   INCLUDE(CTest)
+set(CTEST_PROJECT_NAME "VTKM")
+set(CTEST_NIGHTLY_START_TIME "01:00:00 UTC")
+
+set(CTEST_DROP_METHOD "http")
+set(CTEST_DROP_SITE "open.cdash.org")
+set(CTEST_DROP_LOCATION "/submit.php?project=VTKM")
+set(CTEST_DROP_SITE_CDASH TRUE)
\ No newline at end of file