Update css-diff to handle whitespace diffs
Update css-diff to handle whitespace diffs

mojotech/jeet,rafaelstz/jeet,nagyistoce/jeet,travisc5/jeet,mojotech/jeet,pramodrhegde/jeet,durvalrafael/jeet,macressler/jeet,jakecleary/jeet,greyhwndz/jeet,lucasoneves/jeet,ccurtin/jeet