Modified notes from 'slist-in-meta' to 'bundle_return_value_index-in-reports' + created new bug reports for issues

...e notes' content, and resolved some editing notes from previous rounds of content modification (generating bug reports https://cfengine.com/dev/issues/2558 and https://cfengine.com/dev/issues/2557 in the process). Started at 'slist-in-meta' and stopped before node 'bundle_return_value_index-in-reports' in the master file of original content, which is then parsed to produce the markdown files included in this commit.