Bug#830719: Document the removal of upstart, suggest switch to supported init

[Niels Thykier <niels@thykier.net>]

Baptiste Jammet:
> Control: tags -1 patch
> 
> Hi, 
> 
> Dixit Michael Biebl, le 10/07/2016 :
> 
>> The upstart init system has been removed from unstable/testing, so it
>> looks like it won't be part of the upcoming stretch release.
>> I raised this issue on debian-devel [1] and one recommendation was,
>> that this fact should be mentioned in the release notes. We should
>> suggest that users switch to a supported alternative because
>> post-stretch it's likely that maintainers start removing native
>> upstart jobs.
> 
> I write a section about it and I put it in the end of the Issues
> chapter.
> Please comment and correct. 
> (I could commit in some weeks if nobody disagree)
> 
> Baptiste
> 

Hi,

Thanks for the patch.

It looks good to me - though I would probably have done a:
 s/You should also consider a switch/Please consider switching/

Feel free to commit with or without the change.

Thanks,
~Niels