Training set class for SVQ autotraining
Improved index-of-max method
Activates autotraining
Training set now distinguishes between current batch and archive

This is a rather sophisticated but transparent behavior, check the comments
in the code for further explanation, interface and use case.
Reorganized UNTRAIN into SVQ options
Moved old TrainingSet main() into Test class
Interface for flushing and training on TrainingSet from SVQ
Merge branch 'feature/autotrain' into develop
Merge branch 'release/0.8'
Merge tag '0.8' into develop

Autotrain working with independent TrainingSet class