Allow alternative names for the CHANGELOG file.
"CHANGELOG", "NEWS", "HISTORY", and "CHANGES" are recognized as Changelog files.
Also adds relevant tests for each of these names.
Resolves #14864 (closed).
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
"CHANGELOG", "NEWS", "HISTORY", and "CHANGES" are recognized as Changelog files.
Also adds relevant tests for each of these names.
Resolves #14864 (closed).