Translated [Mixing Positional Audio and WebGL] into Japanese.
Added Japanese document.
Translated [Static Memory Javascript with Object Pools / Colt McAnlis] into Japanese.
Added Japanese document.
Translated [Effectively Managing Memory at Gmail scale] into Japanese.
Adds meta[rel=alternate hreflang] to tutorials
link instead of meta
Merge remote-tracking branch 'upstream/master' into i18n-semantics
Translation base
done about 25%.
Translation base
Update tutorials.yaml
merge upstream
30% translation
fixed typos & better expressions.
Cache bust
Update README.md
Update README.md
Update README.md
restund tweaks