Add Icon cleaner script

cleaner.php

@@ -0,0 +1,49 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Look for unused icons in skin directory
+ *
+ */
+
+require_once __DIR__ . '/lib/classes/bootstrap.class.php';
+
+\bootstrap::register_autoloads();
+
+use Symfony\Component\Finder\Finder;
+
+chdir(__DIR__);
+
+set_time_limit(0);
+
+$finder = new Finder();
+$finder
+  ->files()
+  ->name('*.gif')
+  ->name('*.jpeg')
+  ->name('*.jpg')
+  ->name('*.png')
+  ->notName('ui-*.png')
+  ->exclude(array('substitution', 'client/959595/images', 'client/000000/images', 'client/FFFFFF/images'))
+  ->in(__DIR__ . '/www/skins');
+
+$files = array();
+
+foreach ($finder as $file)
+{
+  $cmd = "grep -IR -m 1 --exclude='*\.git*' '".str_replace(array(), array(), $file->getFilename())."' ".__DIR__;
+
+  $result = system($cmd);
+
+  if(trim($result) === '')
+  {
+    $files[] = $file->getPathname();
+  }
+  echo ". ";
+}
+
+foreach($files as $file)
+{
+  unlink($file);
+}
+
+exit(0);