Minor cleanups and added feature to save model edit distance.

...va/org/oceandsl/tools/restructuring/EMappingStrategy.java

...rg/oceandsl/tools/restructuring/LightTraceRestorator.java

...ceandsl/tools/restructuring/MappingStrategyConverter.java

...a/org/oceandsl/tools/restructuring/RestructuringMain.java

.../main/java/org/oceandsl/tools/restructuring/Settings.java

...rg/oceandsl/tools/restructuring/TeetimeConfiguration.java

...restructuring/stages/AggregateModelEditDistanceStage.java

...tools/restructuring/stages/RestructureModelSinkStage.java

...ceandsl/tools/restructuring/stages/RestructurerStage.java

...org/oceandsl/tools/restructuring/stages/ResultRecord.java

...ndsl/tools/restructuring/stages/TraceRestoratorStage.java

...l/tools/restructuring/stages/exec/OutputModelCreator.java

...ools/restructuring/stages/exec/RestructureStepFinder.java

...ools/restructuring/stages/exec/mapper/AbstractMapper.java

...ls/restructuring/stages/exec/mapper/ComponentsMapper.java

...l/tools/restructuring/stages/exec/mapper/EmptyMapper.java

...s/restructuring/stages/exec/mapper/KuhnMatcherMapper.java

.../tools/restructuring/stages/exec/mapper/RandomMapper.java

...ructuring/stages/exec/mapper/matching/BipartiteGraph.java

...tools/restructuring/stages/exec/mapper/matching/Edge.java