Merge pull request #125 from washingtonstateuniversity/update/nginx

[PR] Update Nginx to 1.7.5, ngx_pagespeed to 1.9.32.1-beta
Revert upgrade to ngx_pagespeed 1.8.31.4

The full compile fails, similar to https://github.com/pagespeed/ngx_pagespeed/issues/803

We'll try to upgrade once this release has been out for a bit.
Use the latest WordPress when setting up individual sites
Upgrade WP-CLI to 0.17.0
Update WP-CLI for platform to 0.17.0
Merge pull request #126 from washingtonstateuniversity/update/wordpress

[PR] Update WordPress and WP-CLI
We now use 05_wp.wsu.edu.conf on the server for the default
Bump the server names max hash size to 2048

At some point, this needs to become a server specific setting
Merge pull request #127 from washingtonstateuniversity/wsuwp-nginx-config

[PR] Update Nginx config for WSUWP Platform
Always update bash to the latest packaged version
Merge pull request #128 from washingtonstateuniversity/update/bash

[PR] Always update bash to the latest packaged version
Update nginx to 1.7.6