- julia 0.6 compatibility
- matplotlib 2.0 compatibility
- add inspectdr backend
- improved histogram functionality:
- added a `:stephist` and `:scatterhist` series type as well as ``:barhist` (the default)
- support for log scale axes with histograms
- support for plotting `StatsBase.Histogram`
- allowing bins to be specified as `:sturges`, `:rice`, `:scott` or :fd
- allow `normalization` to be specified as :density (for unequal bins) or :pdf (sum to 1)
- add a `plotattr` function to access documentation for Plots attribute
- add `fill_z` attribute for pyplot
- add colorbar_title to plotlyjs
- enable standalone window for plotlyjs
- improved support for pgfplots, ticks rotation, clims, series_annotations
- restore colorbars for GR
- better axis labels for heatmap in GR
- better marker sizes in GR
- fix color representation in GR
- update GR legend
- fix image bug on GR
- fix glvisualize dependencies
- set dotted grid lines for pyplot
- several improvements to inspectdr
- improved tick positions for TimeType x axes
- support for improved color gradient capability in PlotUtils
- add a showlibrary recipe to display color libraries
- add a showgradient recipe to display color gradients
- add `vectorfield` as an alias for `quiver`
- use `PlotUtils.adaptedgrid` for functions