Replacement for KDateTime

[Sandro Knauß]

Hey John,

> OK, I had a quick look at this and to do it in Qt and it wasn't actually
> that hard. You can see the result at:
> 
> https://codereview.qt-project.org/#/c/122750/
> 
> This should support the full set of VTIMEZONE rules, have a look and let me
> know if not.
> 
> I'm not sure if it will be ready for 5.6 feature freeze on Friday, or if
> Thiago will approve of it, but clearly it's not going to be available when
> KCalCore is released. I'm still thinking about work-arounds, but it's going
> to be messy internally at the very least, and may not be do-able.

Many many thanks getting things done! That will make our life easier to port 
KCalCore away from KDateTime.

Regards,

sandro