Improve ServerPanel
Improve OrderReceiverServer class
Merge branch 'master' of git@gitlab.com:cowabunga-team/ar-cowabunga-project.git
Modify ServerGUI.java
Merge branch 'master' of
git@gitlab.com:cowabunga-team/ar-cowabunga-project.git

Conflicts:
	ARcowabungaproject-server/src/org/escoladeltreball/arcowabungaproject/server/gui/ServerGUI.java
Add OrderManagerPanel.java to server
Merge branch 'master' of git@gitlab.com:cowabunga-team/ar-cowabunga-project.git