Added default language pack (en-gb)

admin/tool/log.php

@@ -0,0 +1,11 @@
+<?php
+// Heading
+$_['heading_title']    = 'Error Log';
+
+// Text
+$_['text_success']     = 'Success: You have successfully cleared your error log!';
+$_['text_list']        = 'Errors List';
+
+// Error
+$_['error_warning']    = 'Warning: Your error log file %s is %s!';
+$_['error_permission'] = 'Warning: You do not have permission to clear error log!';