Merge the following from the English version:

1.9 -> 1.10 includes.xsl
1.29 -> 1.37 index.xsl
1.42 -> 1.43 internal/about.sgml
1.24 -> 1.25 internal/developer.sgml
1.22 -> 1.23 internal/internal.sgml
1.29 -> 1.36 internal/machines.sgml
1.15 -> 1.16 internal/mirror.sgml
1.14 -> 1.17 internal/statistic.sgml
1.4 -> 1.5 prstats/index.sgml