Minor changelog clarification and other "nice-ifications"

Change-Id: I1eee55a970a7ed5e1813d70ec254ed0348d1e567
Reviewed-by: Oleg Shparber <trollixx@gmail.com>
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Add missing classname tag to Bluetooth and NFC qml module

This is required for static builds.

Change-Id: Ia6861685ff2845dc6c3998079cf10019ea9fbdd7
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Fix uncategorised usage of qWarning().

Change-Id: Iee8b8e619f1679fe9b6e8aed47d05f7414417043
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Merge remote-tracking branch 'origin/release' into stable

Change-Id: Ia3c8079ad2c35f9573d8a59347af281275232e30
Add a few Qt 6 TODO entries

Change-Id: Ic169d907b872fd277df4f32be1270d7bceabac32
Reviewed-by: Kai Koehne <kai.koehne@digia.com>