Information for Release 0.5 and Earlier

1st chunk of `doc/manual/source/release-notes/rl-0.5.md`

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# Release 0.5 and earlier

Please refer to the Subversion commit log messages.

Title: Information for Release 0.5 and Earlier

Summary

Users seeking details about Release 0.5 and all preceding versions are instructed to refer to the Subversion commit log messages.