Updated the article about web performance rendering measurement
Updated broken link in datachannel example according to @samdutton's patch
Fixed :host css according to @ebidel's cb299f7 patch
Sync code in O.o() with sample code at cf9fc92
Fix typo in customelements as 0b7e3b4
Automatically updating the calendar
Updated Async Debugging article

Mostly to remove references to the availability of async call stacks for 'click' events.
Merge pull request #1160 from pearlchen/devtools-async-stacks-update

Updated Async Debugging article
Merge pull request #1149 from axemclion/master

Updated the article about web performance rendering measurement
Forgot to add article update date.
Merge pull request #1162 from pearlchen/devtools-async-stacks-update

Forgot to add article update date.
Automatically updating the calendar
Updated 'Async Call Stack' according to 3c6cd43
Automatically updating the calendar
Updated custom element according to bb77383
Replaced shadow DOM combinator with new spec's, according to #1044 and ca40567
Also fixed header.html in shadowdom-201
Automatically updating the calendar
Merge remote-tracking branch 'upstream/master' into observe_ja
Merge pull request #1165 from agektmr/observe_ja

Japanese translation for Object.observe() article