Image brick updates
Audio Clip brick updates
Audio component updates
Updated thumbnail and removed accidental css file addition.
Playback rate is a listener also, and persists when changing audio source.
Add node_modules/vendor

This will make PR #2277 reviewable.
Merge pull request #2293 from mozilla-appmaker/pre-2277

Add node_modules/vendor
Bug 1074266 - Update to webmaker-locale-mapping v0.0.5
No bug - Bump the version to match the tag
Merge pull request #2288 from flukeout/audioupdates

Audio Brick updates
Merge pull request #2285 from flukeout/imagefixestwo

Image brick updates