Print commit time/date from perspective of committer.
Previously, it was printed in the time zone of the reader, but with
the committer's time zone offset. It is now consistent.
#!/bin/sh
hg init
echo 123 > a
hg add a
hg commit -m "first" -d "0 0" a
mkdir sub
echo 321 > sub/b
hg add sub/b
hg commit -m "second" -d "0 0" sub/b
cat sub/b
hg co 0
cat sub/b
ls sub
true