added `ir.actions.act_url` selection for `action` field of `ir.ui.menu`
added `ir.actions.act_url` selection for `action` field of `ir.ui.menu`

splbio/openobject-server,ovnicraft/openerp-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,xrg/openerp-server,ovnicraft/openerp-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,xrg/openerp-server,splbio/openobject-server,vnc-biz/openerp-server,vnc-biz/openerp-server,MarkusTeufelberger/openobject-server,gisce/openobject-server