Kivy-matplotlib-widget

- New compare hover
- New interactive_axis attribute (used your axis like in plotly package)
- New disable_mouse_scrolling and disable_double_tap attributes

Some bugs fix with twinx widget and scatter widget

add missing update on graph_widget.py file

fix hover update when call add_hover more than once

New hover option with touch and decktop mode. (see example_hover example)

Cursor and hover used matplotlib formatter to display the values.

New kivy attributes to manage some widget properties directly in the kv file (ex: fast_draw,minzoom)

add MatplotNavToolbar widget (matplotlib navigation toolbar)

New widgets

- MatplotFigureTwinx
- MatplotFigureGeneral
- LegendRvHorizontal

New interactive options (see example_all_interactive_options)

- back/foward button
- pan_x and pan_y
- adjust_x and adjust_y
- lock zoom_x and zoom_y

New legend function to change your matplotlib legend into interactive legend (example_legend_matplotlib). Also the legend can be draggable.

Faster cursor draw

Improve fast draw by using copy region method

No need to set axes and a min/max attributes when you add your figure on the widget.