add Japanese translation for Andreas's `<picture>` markup article
Merge pull request #190 from andreasbovens/master

update to links section
Quick fix for paragraphs that look like code
Fixed typo
Merge pull request #192 from yoavweiss/typo

Fixed typo
Merge pull request #191 from myakura/pictures-ja

add Japanese translation for Andreas's `<picture>` markup article