pagespeed/ngx_pagespeed — pull request #315 by chaizhenhua (2013-05-01 11:21:29+00:00)
Title: Some code clean up

- NgxBaseFetch use AbstractMutest instead of pthread_mutex_t
- move Headers related function from NgxBaseFetch to globe ngx_psol
namespace
- in ps_create_request_context(), determine options before create
NgxBaseFetch.
- inline some functions