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 he
llo
abort: '\n' and '\r' disallowed in filenames
adding he
llo
abort: '\n' and '\r' disallowed in filenames
adding hell
o
abort: '\n' and '\r' disallowed in filenames
adding hell
o
abort: '\n' and '\r' disallowed in filenames
f he
llo he
llo
f hell
o hell
o