6.1.0
fix(toolbox): Simplify toolbox and fix that toolbox throw error when remove DataZoom feature.
fix(progressive): (1) Fix that candlestick large data progressive rendering was broken by Doji feature. (2) Fix bar large and progressive might throw NPE. (3) Follow the fixing of progressive rendering in zrender#1151 (3) Fix parallels did not clear previous rendered content when switching between progressive and normal mode. (4) Fix that chart.on('finished') event might not be called in some edge case (when multiple iterations are executed in one frame at the end).
fix(lint): Fix according to lint.
refact: remove all register code with side effects