This patch updates the Concepts and Terms document.
Removes an old image and adds new images to support
the current connection view update.
Fixes: QDS-11000
Change-Id: I7d5d1bea4287e13c2344138af7cce5b8f9f4321d
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
