Make sure the changelog mentions files whose flags changed These changes don't actually need a new filelog entry (see next patch), but if we don't mention the files in the changelog, it becomes much harder to find all changesets that touch a file (not even a "hg log --removed file" will work).

adding dir/bar
adding foo
dir/bar
foo
adding dir/bar_2
adding foo_2
dir/bar_2
foo_2
adding a
adding c
adding b
adding d
removing a
removing c
recording removal of a as rename to b (100% similar)