Leaflet实现路径轨迹回放

基于Leaflet实现路径轨迹回放功能，另外对Leaflet.Marker类进行扩展，支持设置图标旋转角度

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-11-07 11:10  Leaflet.PathReplay\
     文件        2507  2013-07-04 15:24  Leaflet.PathReplay\car.png
     文件        8664  2018-11-07 11:10  Leaflet.PathReplay\index.html
     目录           0  2018-11-07 11:04  Leaflet.PathReplay\lib\
     目录           0  2018-11-07 11:04  Leaflet.PathReplay\lib\leaflet\
     文件       13071  2016-12-28 15:26  Leaflet.PathReplay\lib\leaflet\leaflet.css
     文件      140468  2018-11-06 15:05  Leaflet.PathReplay\lib\leaflet\leaflet.js