Features

NetworkFrame now allows you to try hierarchical network types even if you're sending an array of edges. It will attempt to make a hierarchy out of them and if it follows a strict single-parent rule (all edges have only one parent) it will make a hierarchy out of the data. This will include a step to create (and then filter out using a default setting change to filterRenderedNodes a node with root-generated as its ID) so it will by default create one or more "trees" visible. Closes #367
histogram and heatmap summary types now obey a padding and elementStyleFn prop to allow you to create padding between individual bars (minimum 1px width) and to style the bars. elementStyleFn is passed the (totalBinValue, percentOfMax, arrayOfPiecesInThisBin) closes #370

Fixes

HTMLAnnotationRules in OrdinalFrame was not being sent screenCoordinates and its rScale wasn't always right. Fixes #375 & #372