WIP: Support request application version 2
Add a wrapper for ECharts in a separate MR(https://lab.nexedi.com/nexedi/erp5/merge_requests/349). This MR use the wrapper to replace the Chartjs.
Add a wrapper for ECharts in a separate MR(https://lab.nexedi.com/nexedi/erp5/merge_requests/349). This MR use the wrapper to replace the Chartjs.