no longer allow include statements in local.conf.php

as discussed at #115

lib/plugins/config/settings/config.class.php

@@ -156,7 +156,7 @@ function _read_config($file) {
         }else{
             $contents = '';
         }
-        $pattern = '/\$'.$this->_name.'\[[\'"]([^=]+)[\'"]\] ?= ?(.*?);(?=[^;]*(?:\$'.$this->_name.'|@include|$))/s';
+        $pattern = '/\$'.$this->_name.'\[[\'"]([^=]+)[\'"]\] ?= ?(.*?);(?=[^;]*(?:\$'.$this->_name.'|$))/s';
         $matches=array();
         preg_match_all($pattern,$contents,$matches,PREG_SET_ORDER);