[Development] QML and Qt Quick versioning of our modules

[Alex Blasche]

>1) sync minor versions to Qt release version:
>For Qt 5.11, we would provide QtQuick.Controls 2.11
>This way, the challenge for the user is only to find out if it's version 1, 2
>or 5.

The "match the Qt version" pattern is used by QtPositioning, QtLocation, Sensors, QtBluetooth and QtNfc too. It gets my support. 

Coincidentally I forgot to bump all versions for Qt 5.10 :(. Well, my first fixes for 5.10.1

--
Alex