Nginx config: Replace CGI host with includable config

`SCRIPT_NAME` was removed because `alias` sets `$request_filename`
to the full path. Let's hope it works...

conf/nginx/inc/cgi-bin

@@ -0,0 +1,4 @@
+fastcgi_pass unix:/run/php5-fpm.sock;
+include fastcgi_params;
+fastcgi_param SCRIPT_FILENAME /etc/nginx/cgi-bin.php;
+fastcgi_param X_SCRIPT_FILENAME $request_filename;

conf/nginx/sites-available/cgi

@@ -1,15 +0,0 @@
-server {
-	listen 127.0.0.1:80;
-
-	root /usr/local/share/cgi-bin;
-
-	location ~ \.(cgi|pl|py|rb|sh)$ {
-		fastcgi_pass unix:/run/php-fpm.sock;
-		include fastcgi_params;
-		fastcgi_param SCRIPT_FILENAME /etc/nginx/cgi-bin.php;
-		fastcgi_param SCRIPT_NAME /cgi-bin.php;
-		fastcgi_param X_SCRIPT_FILENAME $document_root$fastcgi_script_name;
-		fastcgi_param X_SCRIPT_NAME $fastcgi_script_name;
-		fastcgi_param SERVER_NAME $http_host;
-	}
-}

conf/nginx/sites-available/example

@@ -8,15 +8,28 @@ server {
 	root /usr/share/nginx/html;
 
 	# redirect server error pages to the static page /50x.html
-	#
+
 	error_page 500 502 503 504 /50x.html;
-	location = /50x.html {
-		# internal redirect
-	}
+
+	# PHP processing
 
 	location ~ \.php$ {
-		fastcgi_pass unix:/run/php-fpm.sock;
+		fastcgi_pass unix:/run/php5-fpm.sock;
 		include fastcgi.conf;
 		fastcgi_intercept_errors on;
 	}
+
+	# AWstats
+
+	location /awstats {
+		# You may want to secure this location by appending a random string
+		alias /usr/local/awstats/wwwroot/cgi-bin;
+		access_log off;
+		include inc/cgi-bin;
+	}
+
+	location /awstatsicons {
+		alias /usr/local/awstats/wwwroot/icon;
+		access_log off;
+	}
 }