demo of basic algorithm done
Merge pull request #13 from DM13B/Gruppe1AlgoDemo

demo of basic algorithm done
add SuggestionAlgorithm

fix accessibility level for basic model classes
refactor DecisionBase to use SuggestionAlgorithm
add docstring for CalculateProduction
Merge pull request #14 from DM13B/Gruppe1RefactorDecisionBase

Gruppe1 refactor decision base
Merge pull request #15 from DM13B/master

mergine master into gruppe2alexbranch