Docs, resources, .metainfo and plugins.qmltypes will be updated in
follow up commits.
Change-Id: I4438c5bfb8802bff0fa15c56431cfd288f179861
Task-number: QTBUG-52549
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>
Use the 2-suffix consistently everywhere to avoid any potential
confusion with the old controls.
Change-Id: I83aa212a15ed78b8694fb7d3db80fc8430aea969
Reviewed-by: Mitch Curtis <mitch.curtis@theqtcompany.com>