[KDev4] VCS interfaces draft

[Alexander Dymo]

> > I'd say lib/interfaces
> Uhm, you sure? Until now it doesn't contain any extension interfaces, so
> I guess its rather plugins/vcs/interfaces (and later have vcs/cvs and
> vcs/svn with the 2 default implementations).
Yeah, you're right.

> > Speaking about version control,  what is the future of
> > KDevVCSIntegrator's that were used by appwizard in kdev3 to create
> > projects in repositories?
>
> I think it should use the extensions interfaces to get a list of plugins
> for vcs ext iface and then use their import method. So some
> vcsintegrator class that encapsulates is not needed, we have extension
> interfaces for that.

Well, once we have import() in IVersionControl, we don't need integrators.