Update the docs.

cli/answertests_docs.php

doc/en/Authoring/Answer_Tests/Form.md

doc/en/Authoring/Answer_Tests/Results/AlgEquiv.md

doc/en/Authoring/Answer_Tests/Results/AlgEquivNouns.md

doc/en/Authoring/Answer_Tests/Results/CasEqual.md

doc/en/Authoring/Answer_Tests/Results/CompSquare.md

doc/en/Authoring/Answer_Tests/Results/Diff.md

doc/en/Authoring/Answer_Tests/Results/EqualComAss.md

doc/en/Authoring/Answer_Tests/Results/EqualComAssRules.md

doc/en/Authoring/Answer_Tests/Results/Equiv.md

doc/en/Authoring/Answer_Tests/Results/EquivFirst.md

doc/en/Authoring/Answer_Tests/Results/Expanded.md

doc/en/Authoring/Answer_Tests/Results/FacForm.md

doc/en/Authoring/Answer_Tests/Results/GT.md

doc/en/Authoring/Answer_Tests/Results/GTE.md

doc/en/Authoring/Answer_Tests/Results/Int.md

doc/en/Authoring/Answer_Tests/Results/Levenshtein.md

doc/en/Authoring/Answer_Tests/Results/LowestTerms.md

doc/en/Authoring/Answer_Tests/Results/NumAbsolute.md

doc/en/Authoring/Answer_Tests/Results/NumDecPlaces.md