Add data for window.requestanimationframe

source: html5test.com
Add data for window.postmessage

source: html5test.com
Add data for EventSource
Add data for Promises
Add data for ArrayBuffer and DataView
Add data for MutationObserver
Add data for navigator.getUserMedia()
Added data for script async attribute
Add data for poster attribute of video tag
Add data for outerHTML
Add data about insertAdjacentHTML()
Merge pull request #9 from NielsLeenheer/master

Add data for various features