Fix links in Update guide 5.1 to 6.0
Links have missing slashes and additionally point to master branch.
This MR prevents a 404 error (missing slash) and points to the correct branch (6-0-stable) for comparison of the config files.
/cc @sytse
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Links have missing slashes and additionally point to master branch.
This MR prevents a 404 error (missing slash) and points to the correct branch (6-0-stable) for comparison of the config files.
/cc @sytse