synching kactivities in kdelibs/4.7

[Ivan Čukić]

> To avoid confusion and having overlapping installations of libkactivities
> I think you need to rename the new kactivities.
>
> Maybe even go so far as to deprecate the old kactivities in kdelibs 4.7
>
> kactivities-ng or some-such for the new version

Are there any decisions about lib naming in the frameworks 5?

Otherwise, we could go with a generic libkactivities2. (don't really
like the -ng suffixes - we'd end up like java's new i/o 2 :) )

Cheerio!