[Add] add angular Leaflet JS
[Modify] import angular Leaflet
[Modify] edit calTime function
[Modify] add rating part and change some parameters name
[Modify] add rating function and splitPlacesArray function
[Modify] change angular bootstrap ui version to 0.11
[Modify] update trip data in back button
[Modify] Add get/set Backup Trip
[Modify][modal_edit_trip.js] fix bug: forget to clear addedFigureArr
[Modify][my_trip.js] fix bug: click cancel in while editing trip will unexpectedly delete place