less grepping..
Merge branch 'master' of git://github.com/afein/pps-ex2
Merge branch 'master' of git://github.com/afein/pps-ex2
updated diff to work even without termcolor, testallscript now uses pypy for speed in diff
stderr of cilkplus also redirected to cilk.err
added rec diff for speedups
fixes in testall, added task_config