correction for extreme growth: mention "outliers" or "error"

[gabrielareto]

It can be more intuitive for some users to think in terms of outliers: "Some individuals grow too much. At what point will you consider individuals an outlier / error?"

I think "error" is what we mean, right? There is no reason to truncate extreme growths (and adjust dbhs) that are not errors.

[ValentineHerr]

I am not quite sure what this is referring to @gabrielareto

[gabrielareto]

I think this is related to the unclear wording in NegativeGrowthThreshold and PositiveGrowthThreshold. I cannot run the app so I cannot confirm this now. But I think words like "outlier" or "error" can be more useful than words like "extreme", "very high", ...