Simplify updateLayername
Enforce layer order whenever changes are made.
Better menu link name.
Merge branch 'master' into source-ui-test
Swap out window.confirm for modal to reduce burden on app shells.
Nuke unused message modal.
Merge pull request #596 from mapbox/modal-confirm

Modal confirm
Use queue async to speed up history load.
Drop unused deps.
Merge pull request #598 from mapbox/queue-async-history

Use queue-async to speed up history load
Merge pull request #597 from mapbox/stale-deps

Drop unused deps
Merge branch 'master' into atom-child