Use correct PHP_FPM socket paths for Debian

dist/debian/arsse.install

@@ -11,8 +11,8 @@ arsse.php usr/share/arsse/
 config.defaults.php             etc/arsse/
 manual                          usr/share/doc/arsse/
 dist/man/*                      usr/share/man/
-dist/nginx                      etc/arsse/
-dist/apache                     etc/arsse/
 dist/debian/config.php          etc/arsse/
 dist/debian/dbconfig-common.php usr/share/arsse/
 debian/bin/arsse                usr/bin/
+debian/nginx                    etc/arsse/
+debian/apache                   etc/arsse/

dist/debian/rules

@@ -21,3 +21,6 @@ execute_before_dh_install:
 	mkdir -p debian/bin
 	cp dist/arsse debian/bin/arsse
 	sed -i -se 's/posix_getpwnam("arsse"/posix_getpwnam("www-data"/' debian/bin/arsse
+	# Change PHP-FPM socket paths
+	cp -r dist/apache dist/nginx debian
+	sed -i -se 's/arsse\.sock/php-fpm.sock/' debian/apache/arsse.conf debian/nginx/arsse.conf

docs/en/020_Getting_Started/020_Download_and_Installation/020_On_Debian_and_Derivatives.md

@@ -50,7 +50,7 @@ sudo dpkg-reconfigure arsse
 
 # Web server configuration
 
-Sample configuration for both Nginx and Apache HTTP Server can be found in `/etc/arsse/nginx/` and `/etc/arsse/apache/`, respectively. The `example.conf` files are basic virtual host examples; the other files they include should normally be usable without modification, but may be modified if desired.
+Sample configuration for both Nginx and Apache HTTP Server can be found in `/etc/arsse/nginx/` and `/etc/arsse/apache/`, respectively. The `example.conf` files are basic virtual host examples; the other files they include should normally be usable without modification, but may be modified if needed or desired. In particularly users of older Debians may need to change the PHP-FPM socket path in Nginx or Apache's `arsse.conf`.
 
 In order to use Apache HTTP Server the FastCGI proxy module must be enabled and the server restarted: