Merge pull request #97 from WeweTom/1.3-rework

Auto merge by kpm server
Merge pull request #98 from WeweTom/1.3-rework

Auto merge by kpm server
Merge branch 'master' of https://github.com/kissygalleryteam/kcharts into 1.3-rework
柱状图确保有高度
pie事件中添加获取label的机制
修正柱子高度的问题
build