Add fairly complex nginx config.

This is to contribute to issue #1213.  I took some of the more
complicated servers I am running as examples.  Everything looks to be
correctly highlighted compared to vim's syntax highlighting.

tests/syntax-tests/highlighted/nginx/nginx.conf

@@ -0,0 +1,140 @@
+#user  nobody;
+worker_processes  1;
+#pid        logs/nginx.pid;
+
+load_module "/usr/local/libexec/nginx/ngx_http_xslt_filter_module.so";
+load_module "/usr/local/libexec/nginx/ngx_rtmp_module.so";
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       mime.types;
+    default_type  application/octet-stream;
+    sendfile        on;
+    keepalive_timeout  65;
+    gzip  on;
+    gzip_disable "msie6";
+
+    include /usr/local/etc/nginx/sites.d/*;
+}
+
+rtmp {
+  server {
+    listen 1935;
+    max_message 10M;
+
+    application wnob {
+      live on;
+      record off;
+    }
+
+    application strim {
+      live on;
+      hls on;
+
+      hls_path /usr/local/www/hls/;
+
+      hls_variant _low BANDWIDTH=250000;
+      hls_variant _mid BANDWIDTH=500000;
+      hls_variant _high BANDWIDTH=1000000;
+      hls_variant _hd720 BANDWIDTH=1500000;
+      hls_variant _src BANDWIDTH=2000000;
+    }
+  }
+}
+
+server {
+  listen 443 ssl;
+  server_name host.example.com
+  root /usr/local/www/host.example.com/;
+  error_page 404 /404.html;
+
+  index index.html;
+  autoindex on;
+  autoindex_localtime off;
+  autoindex_format xml;
+
+  location / {
+    xslt_stylesheet /usr/local/www/host.example.com/index.xslt;
+  }
+
+  location ~ /\..* {
+    return 404;
+  }
+
+  location ~ /.+/ {
+    xslt_stylesheet /usr/local/www/host.example.com/project.xslt;
+  }
+
+  location ~ /.*\.xslt/ {
+    return 404;
+  }
+
+  location ~ \.thumb\.png$ {
+    error_page 404 /404.thumb.png;
+  }
+    ssl_certificate /usr/local/etc/letsencrypt/live/host.example.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /usr/local/etc/letsencrypt/live/host.example.com/privkey.pem; # managed by Certbot
+
+  include /usr/local/etc/letsencrypt/options-ssl-nginx.conf;
+  ssl_dhparam /usr/local/etc/letsencrypt/ssl-dhparams.pem;
+
+  add_header Strict-Transport-Security "max-age=31536000" always;
+
+}
+
+server {
+  listen 80;
+  server_name host.example.com;
+
+  if ($host = host.example.com) {
+    return 301 https://$host$request_uri;
+  }
+
+  return 404;
+}
+
+server {
+  listen 443 ssl;
+  server_name other.example.com;
+
+  ssl_certificate /usr/local/etc/letsencrypt/live/other.example.com/fullchain.pem;
+  ssl_certificate_key /usr/local/etc/letsencrypt/live/other.example.com/privkey.pem;
+
+  include /usr/local/etc/letsencrypt/options-ssl-nginx.conf;
+  ssl_dhparam /usr/local/etc/letsencrypt/ssl-dhparams.pem;
+
+  add_header Strict-Transport-Security "max-age=31536000" always;
+
+  access_log /home/otherapp/logs/access.log;
+  error_log /home/otherapp/logs/error.log;
+
+  client_max_body_size 5M;
+
+  location / {
+    root /home/otherapp/app/static;
+    index man.txt;
+    try_files $uri @proxy;
+  }
+
+  location @proxy {
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Forwarded-Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_pass http://unix:/var/run/otherapp/sock:;
+  }
+}
+
+server {
+  listen 80;
+  server_name other.example.com;
+
+  if ($host = other.example.com) {
+    return 301 https://$host$request_uri;
+  }
+
+  return 404;
+}

tests/syntax-tests/source/nginx/nginx.conf

@@ -0,0 +1,140 @@
+#user  nobody;
+worker_processes  1;
+#pid        logs/nginx.pid;
+
+load_module "/usr/local/libexec/nginx/ngx_http_xslt_filter_module.so";
+load_module "/usr/local/libexec/nginx/ngx_rtmp_module.so";
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       mime.types;
+    default_type  application/octet-stream;
+    sendfile        on;
+    keepalive_timeout  65;
+    gzip  on;
+    gzip_disable "msie6";
+
+    include /usr/local/etc/nginx/sites.d/*;
+}
+
+rtmp {
+  server {
+    listen 1935;
+    max_message 10M;
+
+    application wnob {
+      live on;
+      record off;
+    }
+
+    application strim {
+      live on;
+      hls on;
+
+      hls_path /usr/local/www/hls/;
+
+      hls_variant _low BANDWIDTH=250000;
+      hls_variant _mid BANDWIDTH=500000;
+      hls_variant _high BANDWIDTH=1000000;
+      hls_variant _hd720 BANDWIDTH=1500000;
+      hls_variant _src BANDWIDTH=2000000;
+    }
+  }
+}
+
+server {
+  listen 443 ssl;
+  server_name host.example.com
+  root /usr/local/www/host.example.com/;
+  error_page 404 /404.html;
+
+  index index.html;
+  autoindex on;
+  autoindex_localtime off;
+  autoindex_format xml;
+
+  location / {
+    xslt_stylesheet /usr/local/www/host.example.com/index.xslt;
+  }
+
+  location ~ /\..* {
+    return 404;
+  }
+
+  location ~ /.+/ {
+    xslt_stylesheet /usr/local/www/host.example.com/project.xslt;
+  }
+
+  location ~ /.*\.xslt/ {
+    return 404;
+  }
+
+  location ~ \.thumb\.png$ {
+    error_page 404 /404.thumb.png;
+  }
+    ssl_certificate /usr/local/etc/letsencrypt/live/host.example.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /usr/local/etc/letsencrypt/live/host.example.com/privkey.pem; # managed by Certbot
+
+  include /usr/local/etc/letsencrypt/options-ssl-nginx.conf;
+  ssl_dhparam /usr/local/etc/letsencrypt/ssl-dhparams.pem;
+
+  add_header Strict-Transport-Security "max-age=31536000" always;
+
+}
+
+server {
+  listen 80;
+  server_name host.example.com;
+
+  if ($host = host.example.com) {
+    return 301 https://$host$request_uri;
+  }
+
+  return 404;
+}
+
+server {
+  listen 443 ssl;
+  server_name other.example.com;
+
+  ssl_certificate /usr/local/etc/letsencrypt/live/other.example.com/fullchain.pem;
+  ssl_certificate_key /usr/local/etc/letsencrypt/live/other.example.com/privkey.pem;
+
+  include /usr/local/etc/letsencrypt/options-ssl-nginx.conf;
+  ssl_dhparam /usr/local/etc/letsencrypt/ssl-dhparams.pem;
+
+  add_header Strict-Transport-Security "max-age=31536000" always;
+
+  access_log /home/otherapp/logs/access.log;
+  error_log /home/otherapp/logs/error.log;
+
+  client_max_body_size 5M;
+
+  location / {
+    root /home/otherapp/app/static;
+    index man.txt;
+    try_files $uri @proxy;
+  }
+
+  location @proxy {
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Forwarded-Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_pass http://unix:/var/run/otherapp/sock:;
+  }
+}
+
+server {
+  listen 80;
+  server_name other.example.com;
+
+  if ($host = other.example.com) {
+    return 301 https://$host$request_uri;
+  }
+
+  return 404;
+}