Replaced fuzzy screenshot image.
Small wording tweak to article title and description.
Added my profile photo.
remove an unclosed strong tag & modify links to go to the translated page in korean.
Merge pull request #1039 from nurinamu/webrtc_basic

fix tag errors & modify URLs.
Merge pull request #1040 from pearlchen/devtools-async-call-stacks

Devtools async call stacks
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.