[PATCH] python doc: Rework Breakpoint.__init__ doc

[Simon Marchi]

On 2017-12-12 10:35 PM, Eli Zaretskii wrote:
>> CC: <gdb-patches@sourceware.org>
>> From: Simon Marchi <simon.marchi@ericsson.com>
>> Date: Tue, 12 Dec 2017 16:16:13 -0500
>>
>> Do you have any comments on v2?
> 
> Did it change anything wrt the version I reviewed?
> 

Yes, sorry I should have pointed out what's new in that version.  I essentially
addressed your comments.  I added some cross-references and integrated your
suggestions of wording.

Thanks,

Simon