changed implementation to an eventbased Textual UI
added new Setter for the players name, changed on a state addicted implementation of place and shoot, now you don't have to add a Player as parameter
changed on the new Interface, added a state-validation at the most methods
moved the viewer again to the right package, added a new Viewer for a false input
renamed the file again and added a new state for a wrong input
changed to the new eventbased tui
Merge origin/master