Resync the Greek Handbook to the latest changes
MFen:
1.137 -> 1.138 en_US.ISO8859-1/books/handbook/introduction/chapter.sgml
1.394 -> 1.400 en_US.ISO8859-1/books/handbook/install/chapter.sgml
1.488 -> 1.489 en_US.ISO8859-1/books/handbook/mirrors/chapter.sgml
1.92 -> 1.93 en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml
- Update release date entities in localized version of freebsd.ent
Obtained from: FreeBSD Greek Documentation Project