Add a blink comparator and pixel difference to image diffs

Tom

2014-11-17 b6f47539cd1a1dafe05ffd6fdc40bce4547c479d

 src/main/java/pt.cmd

@@ -1 +1 @@
@python %~dp0pt.py %1 %2 %3 %4 %5 %6 %7 %8 %9
@python %~dp0pt.py %*