Fix 180-http-proxy tests after Mochiweb upgrade.
Fix 180-http-proxy tests after Mochiweb upgrade.

Content-Length and the HTTP body are returned as 0 and an empty binary
instead of undefined.



git-svn-id: c1f8a8ec0b3bb2e99ab3413722f81f687760e79c@1051612 13f79535-47bb-0310-9956-ffa450edef68

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb