• Add CTFcheckHeaderConsistency to ctformatting.
• Add default headers to ctinfo and methods to retrieve copies of said headers.
• Set the default headers as default headers in globals.mac
• Add header consistency checks to OPTcheckOptionConsistency in options.c
  ○ Add warnings for conflicting cti settings.
• Add broken test to test-compile-time-formatting.cpp for CTFcreateMessageLoc.