Look more broadly for included D3 packages (#69)
Look more broadly for included D3 packages (#69)

When ember-d3 is installed in a nested addon the `d3` packages are
provided as `dependencies` of that addon. We should look at all the
loaded dependencies for any `d3` libraries.
brzpegasus/ember-d3,ivanvanderbyl/ember-d3,ivanvanderbyl/ember-d3,brzpegasus/ember-d3