billboarder 0.2.1
==================

* Upgrade billboard library to 1.2.0, and D3V4 to 4.12.2
* New proxy methods : `bb_proxy_data_colors` and `bb_proxy_data_names`.
* New aesthetic for scatterplots : `size`, to make bubble clouds.



billboarder 0.1.0
==================

* New charts type : lollipop, histogram and density plot.
* More methods for proxy and more exemples, see `proxy_example` for more details.
* Upgrade to billboard.js 1.1.1.
* New functions `bbaes` and `bb_aes` to map data on chart, see the corresponding vignette.
