base_user_role/data/ir_module_category.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016 ABF OSIELL <http://osiell.com>
License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<openerp>
<data>
<record model="ir.module.category" id="ir_module_category_role">
<field name='name'>User roles</field>
</record>
</data>
</openerp>