Merge of r4682, r4694, r4699, r4704, r4705: minor nits. *) Fixed spelling of "endianness", and called it "byte ordering" in the user visible part. *) Fixed return type of ngx_strerror_init(). *) Fixed a harmless error in spelling of "Connection: close" when computing the response header length. *) Style. *) Added code to look up Google perftools in /opt/local/, for MacPorts.