fixed QDA with Eigen3 for merge, also added a unit test for QDA and fixed a bad tab in the MCLDA code
Merge pull request #1129 from pickle27/qda

QDA with Eigen3 for merge thanks monalisag & ozanser for their work!
fixed crash in QDA covar calculation
Merge pull request #1131 from pickle27/qda

fixed crash in QDA covar calculation
update data and add director examples to blacklist
fix typo in warning msg
fix typo in blacklist