Added NetworkServer test.
Moved artwork to separate repository.
Added Jeda Server file template.
Bugfix: NetworkSocket now detects client-side closing of connection.
Re-added javadoc icons that went missing when artwork was moved to own repo.
More network tests.
Merge branch 'master' into cortana

Conflicts:
	artwork/logos/banner-princess-peach.xcf
	artwork/logos/logo-chell.png
	artwork/logos/logo-chell.xcf
	artwork/logos/logo-ms-pac-man.png
	artwork/logos/ms-pac-man.png
	artwork/logos/ms-pac-man.svg