always run composer install, even if no lock file is present (for autoloaders, mostly)
set ServerName for virtual host to prevent Apache from getting confused by local vs LB ports
fix .php fcgi proxy rewrites to only affect existing files
enable mod_expires in Apache2
enable mod_proxy_http in Apache2, closes #16
if_not_empty flag for PATH_INFO Nginx fastcgi_param
set a server name for nginx (localhost for now)
fix redirects including the local port on nginx
fix missing Authorization headers on Apache