Update apache32-win to Apache version 2.4.

This CL should include the non-binary changes, including
changes to the instructions in README.chromium and httpd.conf,
as well as sha1 files that correspond to binary files uploaded
to Google Storage. 

Bug: 747666
Change-Id: I724e9989045b08f63200618be1aa6061fcd57e42
Reviewed-on: https://chromium-review.googlesource.com/595041
Commit-Queue: Quinten Yearsley <qyearsley@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506175}
155 files changed