Make AxisProperties non-virtual; nobody derives from it.

Change-Id: I1cb5203374b6d13a914c335d73a7db6d8a47c4bb
Description for m_aAllTickInfos.

Especially wrt why it is nested vectors.

Change-Id: I143785778ef62abbdc047a2d18c713f43a6522d9
Clean this up a bit.

Change-Id: Ief207c72a22eee6a745f885912ea929ade717321