Rename "kitem_apps" to "apps"

[yoavnash]

It's more elegant this way.

[MBueschelberger]

The term "kitem_apps" is a term defined in the backend. We can create an alias for now or we also rename it in the backend, which would be a proper way to do it.

[yoavnash]

The term "kitem_apps" is a term defined in the backend. We can create an alias for now or we also rename it in the backend, which would be a proper way to do it.

I would be for it, and possibly also rename it in the backend in the next release.