Minor documentation changes

Added LoadSampleEnvironment Algorithm

ConvFitDataPresenter and JumpFitDataPresenter Unit tests

Indirect Data Analysis - Error bars for results

While helping prepare an article, I ended up deriving the equivalence of
delta-d/d = delta-T/T. Since it wasn't a 5-second derivation, it seemed
a good thing to add to the user docs.

Make Tooltips Readable on Ubuntu18