Bayesian Anova and Bayesian Ancova

This fixes some general code issues with Bayesian Anova and Bayesian
Ancova, and merges Anova code into Ancova code.
code merge bayesian anCova

Code merge between Bayesian Anova and Bayesian Ancova
Merge pull request #91 from mmarsman1/development

Bayesian Anova and Bayesian Ancova
Updates to human guide
Crosstabs - Updates to design

Updates to Crosstabs to more easily allow the implementation of test
statistics.
Crosstabs: chiSquare should be chiSquared
B Crosstabs: Updated the architecture

Brought into line with classical crosstabs
Updates to documentation - R analysis guide
B Crosstabs: changes to terminology
Docs: Added JASP error list
Crosstabs: Added X2, X2cc & Likelihood
B Crosstabs: Updated Test stats table
Merge pull request #96 from Tahiraj/development

Crosstabs: Added X2, X2cc & Likelihood
Merge pull request #97 from raviselker/development

ANOVA (fixed error scale variable used as factor)