Fix axis attachments in QML....
Fix axis attachments in QML.
Now attaching same axis to multiple series is possible without
spawning an extraneous default axis.
Task-number: QTRD-3321
Change-Id: I561b3ca5c814e3046ed4078a2070e2c3e6ddf030
Reviewed-by: Mika Salmela <mika.salmela@theqtcompany.com>
Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>