CMake Nightly Date Stamp
CTestLaunchers: exclude /showIncludes notes when scraping logs

My last related commit e5e3f3d4 filtered /showIncludes messages
from the generated xml output but they also need to be filtered
in ScrapeLog(). Otherwise they are being detected as warnings when
using compilers withs english diagnostics.
Merge topic 'fix-showinclude-warnings' into next

47e09e37 CTestLaunchers: exclude /showIncludes notes when scraping logs
cd8c797a CMake Nightly Date Stamp