changed project heirarchy

src/main/java/controller/Controller.java

src/main/java/model/BoardData.java

src/main/java/model/Element.java

src/main/java/model/elementTokens/ChargeTarget.java

src/main/java/model/elementTokens/ConnexElement.java

src/main/java/model/elementTokens/Printable.java

src/main/java/model/elementTokens/Updatable.java

src/main/java/model/elementTokens/ZoneDependent.java

src/main/java/model/firefighter/Cell.java

src/main/java/model/firefighter/FFBehavior.java

src/main/java/model/firefighter/FFBoard.java

src/main/java/model/firefighter/FFBoardData.java

src/main/java/model/firefighter/FFUpdater.java

src/main/java/model/firefighter/FFboardFiller.java

src/main/java/model/firefighter/ModelElement.java

src/main/java/model/firefighter/behaviors/CloudBehavior.java

src/main/java/model/firefighter/behaviors/FireBehavior.java

...java/model/firefighter/behaviors/FireFighterBehavior.java

src/main/java/model/firefighter/behaviors/RockBehavior.java

src/main/java/model/firefighter/elements/Cloud.java