[ADD]Accessright in knowlwdge_* access right

bzr revid: dbr@tinyerp.com-20100807135327-mi3wyoc5sewu4m0d

addons/knowledge/security/ir.model.access.csv

 "id","name","model_id:id","group_id:id","perm_read","perm_write","perm_create","perm_unlink"
 "access_ir_attachment_sale_manager","ir_attachment manager","base.model_ir_attachment","base.group_sale_manager",1,1,1,1
 "access_ir_attachment_partner_manager","ir_attachment_partner manager","base.model_ir_attachment","base.group_partner_manager",1,1,1,1
+
+
+"access_document_directory_system","document.directory system","document.model_document_directory","base.group_sale_manager",1,1,1,1