Improvement

• [RadarChart] Added multitooltip property to display multiple tooltips when many series have the same data
• [RadarChart] Added IRadarChartLegend interface to be able to make a custom legend
• [RadarChart] Changed customToolTipClass to accept IFactory instead of Class
• [RadarChart] Added labelFunction callback for axis data labels
• [RadarChart] Added labelFunction callback for large values (thousands, millions, ...)
• [Radarchart-RingChart] Added a property to control tooltip visibility

Bug Fixes

• [TreeMap] When changing chart 'divisions' property, the axes 'min'/'max' properties are ignored
• [Treemap] Text non displayed on small nodes
• [Treemap] Treemap doesn't change when the dataprovider is changed to an empty value.
• [ElasticSearch] Expanded element can't be clicked after clicking a collapsed element in the same column