Added two helper scripts

check-locales.php

+<?php
+// This script checks for missing and incomplete locales
+if (isset($_SERVER['REMOTE_ADDR'])){
+	exit('No direct script access allowed');
+}
+
+require_once('languages.php');
+include('custom-languages.php');
+
+echo "The following problems were found:\n";
+$refLang = 'en';
+foreach(array_keys($langStrings) as $lang){
+	if ($lang == 'en'){
+		continue;
+	}
+	
+	foreach ($langStrings['en'] as $k => $v){
+		if (!isset($langStrings[$lang][$k])){
+			echo "* In '$lang' missing locale '$k'\n";
+		} else if (substr_count($langStrings['en'][$k], '%s') != substr_count($langStrings[$lang][$k], '%s')){
+			echo "* In '$lang' the number of substitutions (%s) differ for '$k': ";
+			echo substr_count($langStrings['en'][$k], '%s').' vs '.substr_count($langStrings[$lang][$k], '%s');
+			echo "\n";
+		}
+		
+	}
+	
+	foreach ($langStrings[$lang] as $k => $v){
+		if (!isset($langStrings['en'][$k])){
+			echo "In $lang obsolete locale $k\n";
+		}
+	}
+	
+}
+?>
\ No newline at end of file

update-config.php

+<?php
+// This script reads an existing config.php and generates
+// a new file config.new.php merging the default configuration file 
+// config.dist.php with the (customized) config.php
+
+if (isset($_SERVER['REMOTE_ADDR'])){
+	exit('No direct script access allowed');
+}
+
+if (!file_exists('config.dist.php')) {
+	die('The default configuration file config.dist.php does not exist in this directory!');
+}
+
+if (!file_exists('config.php')) {
+	die('The configuration file config.php does not exist in this directory!');
+}
+require_once('config.php');
+
+echo "Parsing current configuration and default configuration...\n";
+$fp = fopen('config.new.php', 'w');
+$distConfigFile = file('config.dist.php');
+$currentConfigFile = file('config.php');
+
+$configSettings = Array();
+foreach ($currentConfigFile as $line){
+	if (preg_match('|^\s*(\$(.+?)\s*=.+;)|', $line, $matches)){
+		$var = $matches[2];
+		$configSettings[$var] = $matches[1];
+	}
+}
+
+echo "Merging configurations...\n";
+foreach ($distConfigFile as $line){
+	fwrite($fp, $line);
+	
+	if (preg_match('|^(\s*)\/\/\$(.+) =|', $line, $matches)){
+		$indent = $matches[1];
+		$var = $matches[2];
+		if (isset($configSettings[$var])){
+			echo "* Using from current configuration: ";
+			echo $configSettings[$var]."\n";
+			$config = $indent.$configSettings[$var]."\n";
+			fwrite($fp, $config);
+		}
+	}
+
+}
+
+fclose($fp);
+
+?>
\ No newline at end of file