[packages/apache-mod_pagespeed] (11 commits) Created branch dev-1.8

[glen]

The branch 'dev-1.8' was created.

Summary of new commits:

  ffebf8b... up to 1.8.31.5
  71e04b2... use default checkout url for stable releases
  af12821... build with system openssl
  99c7dfc... build with system icu
  5eafce7... use system yasm
  a438a3d... skip src/build/internal
  c7d0bb1... cosmetics
  81c4dc2... move clean source to separate script
  d1259ec... cleanup more unneeded files for build
  a673cf5... add comments about third party dirs
  a16986b... patch apache config to be apache 2.4 compatible