message: Adding env variables for CDash site and token
diff: +set(CTEST_SITE "Axom")
  +site_name(CTEST_SITE)
  +
  set(CTEST_PROJECT_NAME "Axom")
  set(CTEST_NIGHTLY_START_TIME "01:00:00 UTC")
  # drop site options
  set(CTEST_DROP_METHOD "https")
  -set(CTEST_DROP_SITE "*** [TODO] Add url here")
  +set(CTEST_DROP_SITE "$ENV{LC_CDASH_DROP_SITE}")
  set(CTEST_DROP_LOCATION "/cdash/submit.php?project=${CTEST_PROJECT_NAME}")
  set(CTEST_DROP_SITE_CDASH TRUE)
  # this is our token for cdash
  -set(_auth_token "*** [TODO]: Add token here")
  +set(_auth_token "$ENV{LC_CDASH_TOKEN}")
  set(CTEST_CUSTOM_MAXIMUM_NUMBER_OF_ERRORS "200" )
  set(CTEST_CUSTOM_MAXIMUM_NUMBER_OF_WARNINGS "500" )
  