[calligra] krita: Port Krita fully to the NG iterators.

[Lukast dev]

Hi,

> This brings up the point that all devs (incl krita) should (i would say must)
> be subscribed to calligra-devel mailing list. It doesn't contain many messages
> besides such important stuff.

I'm subscribed, but from my pov it does sometimes contain quite a lot of mails
and I don't read every e-mail, especially not every review request.

> As a little extra:
>
> git merge --squash <branch-nam>
>
> does the squashing for you and produces a nice commit message with all the
> individual commit messages in one.
>
> all you have to do is:
>
> git commit -a

Thanks! ;)