fixed typo.
more typos
Merge pull request #905 from cwdoh/article.ko.shadowdom-201

Translated 'Shadow DOM 201' into Korean.
Translation base of ‘Shadow DOM 101’
Automatically updating the calendar
Added data channels article
Automatically updating the calendar
Automatically updating the calendar
Added Quota Research article
Merge remote-tracking branch 'upstream/master' into quota_article
Fixing a typo in content/mobile/fullscreen
added iOS Safari WebSQL issue
added Japanese version
slight change on Japanese
Merge pull request #909 from Tyriar/patch-1

Fixing a typo in content/mobile/fullscreen
Merge pull request #910 from agektmr/quota_article

Working with quota on modern browsers
Automatically updating the calendar
Fixing error in code
Removing broken links
Merge pull request #913 from Tyriar/master

Removing broken links