update the section on hi-res timestamp in the rAF article
Merge pull request #1061 from myakura/speed/animations/update-on-hires-timestamp

update the section on hi-res timestamp in the rAF article
custom element update translation commit.
Merge pull request #1062 from ShinHyunjin/content.tutorials.webcomponents.customelements.ko.update

custom element update translation commit.
Automatically updating the calendar
Translate datachannel article into Japanese
Merge pull request #1064 from iwashi/translate_datach

Translated datachannel article into Japanese
Automatically updating the calendar
Fix precision declaration
Merge pull request #1066 from jeffreylin/master

Fix precision declaration
renewed link to twitters case study on csp

the old link was dead
Merge pull request #1067 from MartinMa/master

renewed link to twitters case study on csp
Automatically updating the calendar
Filesystem API tut: make note that the spec is dead
Automatically updating the calendar
translate all strings on resource page into Traditional Chinese