* remove standardSecurity extension. The name was in conflict with an Extension in erp5_core. Move it in safi_egov bt and rename it in ERP5EGov_Security.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23749 20353a03-c40f-0410-a6d1-a30d3c3de9de