Fix row removal after sorting in addressbook example

Task-number: QTBUG-35712

Change-Id: Iaae9c9cc184860c67a66040378a35c2a585004a7
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Fix qml examples listing in docs

Task-number: QTBUG-35475

Change-Id: If04caba3daf07f02a77e6a1b199d721fe421babe
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Make qml example dashboard link clickable

Change-Id: Icc7d3cdaeb174ec80880bb0bab301b5683340584
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Shorten placeholder text

Change-Id: I4acda01f183434b6769625ab891db173dd3392ef
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Fix text for backend helper

Change-Id: Id77d32ce062c1bb9b006c368c81959ce88d26624
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>