New mediacapture-main Editor's draft (v20170205)

Hi

A new dated version of the Editors' draft is available.

Dated version:
http://w3c.github.io/mediacapture-main/archives/20170205/getusermedia.html
Living document: http://w3c.github.io/mediacapture-main/

Changes include:

    [#395] Mark the Implementation Suggestions as non-normative.
    [#422] Clarify where devicechange events fire.
    [#424] Misc editorial
    [#427] Update text on whether context object is allowed to request
access.
    [#430] Loosen getConstraints return value requirement
    [#431] Require all constraints to be satisfied when settings are changed

Please review and provide feedback.

Dan (for the editors)