[CartesianPlot] do not set autoscale in scaleAutoX/Y() function, because circular dependencies might occur

[Column] move indexForValue to Column, because it matches there much
better.

[CartesianPlot] don't use indexForValue() to determine new range, but
indicesMinMax() because when the function is not monotonic values can
be everywhere, but indexForValue() finds only the first apearance