message: Axom now outputs its version number.
diff: ## Get Axom version information
  include(cmake/AxomVersion.cmake)
  +message(STATUS "Configuring Axom version ${AXOM_VERSION_FULL}")
  if( (CMAKE_CXX_STANDARD EQUAL 11) OR (CMAKE_CXX_STANDARD EQUAL 14) )
  set(AXOM_USE_CXX11 TRUE)
  