fixed error in test execution because hamcrest needs to be declared in
dependencies before junit.
try and use the simpleEvalFunc utility from datafu. looks like it works?
ajuster POM pour cobertura.
ajouter static a deux variables ds scorewith perceptrontest
updated lib
updates to use simpleevalfunc and add some tests.
make cobertura generate xml instead of html
make it pass checkstyle. Removed LabelVectorizer, unused
tests