sim/main.cc:
Get rid of default.ini processing... it's kind of a pain and nobody uses it.
util/tracediff:
Add comments on usage.
--HG--
extra : convert_revision : b811288b2945585d60685684ea88c99d1913fbf3
util/tracediff:
Quote simulator args so args with spaces get handled correctly.
--HG--
extra : convert_revision : b48677bc712be17e6e50ca35680e757ba9364692