s/JS_TRUE/true/g; s/JS_FALSE/false/g.  Following up on a request in bug 858677, r=lumpy

--HG--
extra : rebase_source : 992fe9e7f92924d03abeb5f8839bfd0bca8650f1
Bug 845190 - Made test_logging.js correctly ignore messages it wants to ignore.  r=dteller