[MERGE] Upgrade ConfigObj to version 4.5.1

[Alexander Belchenko]

Matt Nordhoff пишет:
> Alexander Belchenko wrote:
>> Alexander Belchenko has voted approve.
>> Status is now: Semi-approved
>> Comment:
>> It would be nice to address bug 86838 as well.
>>
>> For details, see:
>> http://bundlebuggy.aaronbentley.com/request/%3C47ACAC13.8000404%40mattnordhoff.com%3E
> 
> Using James Henstridge's testcase in the bug, I confirmed that it is
> fixed (well, I didn't check the file, but get_user_option returns the
> right value).

Actually I'm thinking about adding simple test to illustrate the bug.

> The attached patch updates NEWS. I moved it to the "bug fixes" section
> and mentioned the bug.

+    * Upgrade bundled ConfigObj to version 4.5.1, which properly escapes #
+      signs, among other small improvements. (Matt Nordhoff, #86838)
+

Actually # sign is not escaped, but value with # inside is quoted.

bb:tweak