Update output of simple reporter
Loosen error string matching regexp
let runners specify default print arg. Add _print helper to console runner.
Default to 4 threads
Add batch mode, and a jsshell runner that can use it
Update README with batch flag
evaluate is the new evalcx
Merge remote-tracking branch 'upstream/master'

Conflicts:
	bin/run.js
	lib/runner.js
	lib/simpleReporter.js
get runner from upstream/master