Initial HTML Media Capture attribute test

UNTESTED

W3C draft: http://www.w3.org/TR/html-media-capture/
Metadata-/Doc- block added
Added knownBug report of Modernizr.touchevents false-positive on some BB6 builds
metadata block indention
Merge pull request #910 from stucox/master

Added knownBug report of Modernizr.touchevents false-positive on some BB6 builds
Merge pull request #909 from burnersk/master

HTML Media Capture attribute test