rename *.inc files to *.inc.php and adjust imports and references

Lukas: Add note to "UPGRADING".

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

web/lib/aur.inc.php

@@ -7,12 +7,12 @@ header('Pragma: no-cache');
 
 date_default_timezone_set('UTC');
 
-include_once('translator.inc');
+include_once('translator.inc.php');
 set_lang();
 
-include_once("config.inc");
-include_once("version.inc");
-include_once("acctfuncs.inc");
+include_once("config.inc.php");
+include_once("version.inc.php");
+include_once("acctfuncs.inc.php");
 
 # Check if APC extension is loaded, and set cache prefix if it is.
 if (!defined('EXTENSION_LOADED_APC')) {

web/lib/aurjson.class.php

@@ -4,7 +4,7 @@
  *
  * This file contains the AurRPC remote handling class
  **/
-include_once("aur.inc");
+include_once("aur.inc.php");
 
 /**
  * This class defines a remote interface for fetching data

web/lib/pkgfuncs.inc.php

@@ -1,5 +1,5 @@
 <?php
-include_once("config.inc");
+include_once("config.inc.php");
 
 # Make sure this visitor can delete the requested package comment
 # They can delete if they were the comment submitter, or if they are a TU/Dev

web/lib/stats.inc.php

@@ -1,6 +1,6 @@
 <?php
 
-include_once('aur.inc');
+include_once('aur.inc.php');
 
 function updates_table($dbh)
 {

web/lib/translator.inc.php

@@ -12,7 +12,7 @@ set_include_path(get_include_path() . PATH_SEPARATOR . '../lib' . PATH_SEPARATOR
 #	print __("%s has %s apples.", "Bill", "5");
 #	print __("This is a %hmajor%h problem!", "<b>", "</b>");
 
-include_once('config.inc');
+include_once('config.inc.php');
 include_once('gettext.php');
 include_once('streams.php');