Automatically updating the calendar
update translation of article speed/unnecessary-paints
make watermark link to root with current locale
make some strings can be localized on feature pages
translate more strings into Traditional Chinese
Merge pull request #1042 from tom76kimo/master

Translate more strings into Traditional Chinese and make some locale behavior update
Added Japanese translation for title, subtitle and description in LC_MESSAGES
removing `zh` from `Makefile` added by mistake
Merge pull request #1043 from agektmr/l10n

Enables translators to easily add localized title, subtitle and description
Moved async settings instructions to top of article.
Updated promises info.
Attempt to make file paths to demo work by renaming them demo.html instead of index.html.
Added additional media query for some of the side-by-side comparisons.
Added new section on using the console with the async call stack.
Automatically updating the calendar
Merge pull request #1045 from pearlchen/devtools-async-call-stacks

Updates to "Debugging Asynchronous JavaScript with Chrome DevTools"
Automatically updating the calendar
Merge pull request #1046 from html5rocks/master

Lots of merges live including translations and article