Bugs fixed in MetaEDA "SimpleMetaEDAConfidenceFeatures"

SimpleMetaEDAConfidenceFeatures:
- in case of a tie in voting mode, return NonEntailment
- logger changed to log4j 
- starttraining() is callable without config file but with parameters
- changed classifier from naive bayes to logistic 
SimpleMetaEDAConfidenceFeaturesUsageExample:
- new feature: collect classification test results and print them in a table