Make hg add foo; hg mv foo bar work.
- foo will be removed (the user has a copy of its contents in bar)
- bar will not be marked as a copy (there was no committed version of foo).
We print a warning telling that to the user.
Fixes issue269.
adding a
Now at: a.patch
applying b.patch
applying c.patch
Now at: c.patch
Now at: b.patch