Add DatabaseUpdateServer and OrderReceiverServer classes
Merge branch 'master' of git@gitlab.com:cowabunga-team/ar-cowabunga-project.git
Add class PizzaPanel.java in Server
Add TestGui.java to Server
refactor input/output names
Merge branch 'master' of git@gitlab.com:cowabunga-team/ar-cowabunga-project.git
Refactor Server class to HallServer and add print method
Add Server abstract class
Refactor all Server classes to extend Server class
Refactor licence header on Server class
Add unimplemented DAOPostgreSQL class
Improve Server class
Change visibility on Server attributes
Add ServerConstants class to model
Improve Server class
Implement HallServer and syncronize listeningServers data acces
Move validPort() method to Server class
Refactor validPort method on Server class
Change listeningServers to static
Add loop on HallServer run method