MFen: Resync the Greek Handbook translation
1.5 -> 1.7 en_US.ISO8859-1/books/handbook/filesystems/chapter.sgml
1.242 -> 1.244 en_US.ISO8859-1/books/handbook/cutting-edge/chapter.sgml
1.156 -> 1.157 en_US.ISO8859-1/books/handbook/basics/chapter.sgml
1.18 -> 1.19 en_US.ISO8859-1/books/handbook/virtualization/chapter.sgml
1.45 -> 1.46 en_US.ISO8859-1/share/sgml/trademarks.ent
Obtained from: FreeBSD Greek Documentation Project