Code review comment for lp:~nick-dedekind/ubuntu-settings-components/1390136.laggy-backends

> You need a bumped debian/changelog here.

Changelog is there already.

I've moved the plugins to a plugins folder. Mostly because it resolves the relative path issue without changing the QmlPlugins.cmake so that we keep in line with unity8, but also because they are actually plugins anyway.

Fixed other comments as well.