Moved global indices to the Preprocessor abstract class
Preprocessing with clusters do now work
Merge branch 'master' of github.com:ntnu-smartmedia/goldfish

# By Dag Einar Monsen
# Via Dag Einar Monsen
* 'master' of github.com:ntnu-smartmedia/goldfish:
  Run Classifier preprocessor in Main
  Implement YowModel.getFeedbackRows()
  Change Preprocessor interface
  Implement Classifier preprocessor
  Remove bloat documentation