React Pivottable Versions Save

• Added aggregator outlets in https://github.com/plotly/react-pivottable/pull/116

• Stop using deprecated lifecycle methods, thanks to @tarekrached in #97

• "Multiple Pie Chart" renderer

• Fixes bug relating to positioning of filter menu #21

• Adds stacked area charts

• Exports a few classes
• Exposes react-plotly.js' onUpdate

• Merges #29 for click callbacks in TableRenderer
• Fixes #28 (allow passing in plotlyConfig) and #27 (relative barmode instead of stack)

• Added automargin support

Start using prettier and jest.

First publicized release.