Hi!
This is list of messages in Messages.php which still contains hardcoded Project which should be replaced with {{ns:Project}}:
portal-url aboutpage bugreportspage sitesupport-url faqpage disclaimerpage privacypage protectedtext blockedtext newarticletext protectedpagewarning searchresulttext copyrightpage confirmdeletetext protectlogtext protect-text blockiptext
With best regards, Eugene.