Japanese version

[brunobord]

see: https://plus.google.com/u/1/100979752633454429624/posts/idGVUTy6Dg2

the source document is a google doc:

• add a temporary page with a link to the document,
• start the japanese document integration as a markdown text,
• eventually fix the html build ; the chosen font may or may not display japanese characters, the document has to be fully readable.
• fix anchor links -- #31
• fix "converting saves" table trick #32