update server_tokens default value
remove ErrorDocument support
remove Timeout support

This must be replaced with more specific directives for nginx
remove ServerName from global config

In nginx this must be set in server {} blocks
remove KeepAlive directive

Redundant in nginx
remove ServerSignature directive
remove TraceEnable directive
remove hard coded apache.conf directives
rename directives in core nginx.conf
add required syntax for nginx core file
change debian/ubuntu pidfile
don't include ports.conf - listen directives go in server {}
remove mod_alias support
remove ServerAliases support
remove SSL directives where no nginx equivalent
replace Apache SSL directives with nginx SSL directives
rename 'directoryindex' to 'index'
can't send logs to pipe or syslog in nginx

Unless you have a commercial subscription, which we're not
supporting unless there's interest
update allow/deny directives for nginx
correct broken test (overriding nginx.conf template)