Merge branch 'network' into 'master'

core/out/production/resources/META-INF/persistence.xml

...axytrucker/galaxytruckerreloaded/Model/Map/Overworld.java

...rucker/galaxytruckerreloaded/Model/ShipLayout/Engine.java

...ytrucker/galaxytruckerreloaded/Model/ShipLayout/Room.java

...cker/galaxytruckerreloaded/Model/ShipLayout/ShipType.java

...rucker/galaxytruckerreloaded/Model/ShipLayout/System.java

...er/galaxytruckerreloaded/Model/ShipLayout/SystemType.java

...xytrucker/galaxytruckerreloaded/Server/ClientHandler.java

...ded/Server/Exception/DuplicateRequestObjectException.java

...ckerreloaded/Server/Exception/DuplicateTileException.java

...aded/Server/Exception/RequestObjectNotFoundException.java

...uckerreloaded/Server/Exception/TileNotFoundException.java

...ytruckerreloaded/Server/Persistence/RequestObjectDAO.java

...ker/galaxytruckerreloaded/Server/Persistence/TileDAO.java

...xytrucker/galaxytruckerreloaded/Server/RequestObject.java

...laxytruckerreloaded/Server/ServerServiceCommunicator.java

.../galaxytruckerreloaded/Server/Services/TravelService.java

...xytrucker/galaxytruckerreloaded/View/Screen/GamePlay.java

...alaxytrucker/galaxytruckerreloaded/View/UI/Map/MapUI.java

...galaxytruckerreloaded/View/UI/ShipInformation/CrewUI.java