* Renamed erp5_web_default_theme to clarify the fact that there is no default theme in erp5_web and that erp5_web is a framework to build Web sites based on ERP5.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@25294 20353a03-c40f-0410-a6d1-a30d3c3de9de