Document http.STATUS_CODES
Document http.STATUS_CODES

This is an incredibly useful thing to know about, and it
will likely never change.  I can't remember why we
didn't ever document it, and people keep suggesting we
do so.

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node