expires.conf: remove duplicate .ico cache headers
apache/gas: change illegal font/opentype mime type to its proper type
expires.conf: correcting list of extensions that shouldn't be cached (adding .htm and .php)
expires.conf: add missing .htc file type
nginx: change regex patterns to non-capturing for speedup
protect-system-files.conf: use "deny all" for clearer intent when blocking access
nginx.conf: repair broken log format (someone had swapped two variables around, breaking the intended apache log format compatibility)
nginx.conf: Remove the gzip_buffers directive and let nginx figure it out instead, that way it will align them to CPU cache lines for greater performance
nginx.conf: Make use of the "auto" directive to let nginx spawn as many workers as there are CPU cores
nginx.conf: replacing everything with more descriptive comments for people that don't know what the options do
nginx.conf: protect server against the BEAST SSL attack (ref: http://nginx.org/en/docs/http/configuring_https_servers.html)
nginx.conf: Massively speed up SSL connections by caching the sessions for 10 minutes rather than constantly re-negotiating
nginx.conf: Add support for default SSL certificate served to clients with old browsers
nginx.conf: Adding two new optional features: blocking evil clients, and blocking requests that lack the Host header
nginx: include implementation files for the new "block invalid host" and "block bad guys" features
cache-file-descriptors.conf: new feature which greatly speeds up performance on very busy production sites
dont-log-common-404.conf: new default feature which is desired on pretty much 100% of sites; avoids filling error logs with 404 for commonly sought yet commonly missing files such as robots.txt, favicon.ico and so on
protect-system-files.conf: clarify why people should be using it