transitive copy/rename Add support for transitive copy or rename operations, e.g. hg rename a b ... (possibly edit b) hg rename b c hg commit ... by actually renaming "b" as "c" while recording a copy of "a" to "c" and a removal of "a".

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%% uncompressed contents in repo
this is a test
%% uncompress our working dir copy
this is a test
%% uncompress our new working dir copy
this is a test