Testnode frontend for logs
Fix for #20200514-218C705 - [testnode] frontend for log access
Depends on https://lab.nexedi.com/nexedi/erp5/merge_requests/1304
Fix for #20200514-218C705 - [testnode] frontend for log access
Depends on https://lab.nexedi.com/nexedi/erp5/merge_requests/1304