[MERGE] updated configobj to 4.2.0

[Aaron Bentley]

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John A Meinel wrote:

| +1 from me.

Thanks.  Merged.

| If I saw correctly, there were only a couple of changes to
| bzrlib itself. Namely changing get_bool(), how encoding was handled, and
| how we write out to the file. The rest was all ConfigObj changes.
|
| Is that correct?

That's right.

Aaron
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