Upgrade bluebird, which doesn't require any changes:
None of the changes apply to us. http://bluebirdjs.com/docs/new-in-bluebird-3.html
We are using promisify, but we are not using callback adaptors.
nodeify has been renamed. The old name exists, but I thought I'd go for it.
Shake some deprecated dev dependencies out of the tree, too, while we're here.
Upgrade bluebird, which doesn't require any changes:
Shake some deprecated dev dependencies out of the tree, too, while we're here.