clean up debug trace code, make available via command flag
clean up debug trace code, make available via command flag

googlefonts/nototools,anthrotype/nototools,dougfelt/nototools,googlei18n/nototools,moyogo/nototools,googlei18n/nototools,moyogo/nototools,anthrotype/nototools,googlefonts/nototools,dougfelt/nototools,moyogo/nototools,anthrotype/nototools,googlei18n/nototools,googlefonts/nototools,dougfelt/nototools,googlefonts/nototools,googlefonts/nototools