add new class vor resolving node dependencies
added fxml MainView for adding in Scene Builder
Merge branch 'Dependencies' into gui
Rename Resolver to solver
created testclass with chessgraph
rename GuiStarterTest to ..Demo
Rename Resolver to Solver
added Clas for dependecies
Added Dependency class and emtpy test
Prepare for zooming
Zooming in the middle of the pane
Refactor zooming
delete unused method and increase zooming
Merge branch 'zoom' into gui