Update README.md
fix dynamic layer load issues
bump package json
Merge branch 'master' of github.com:Esri/esri-leaflet
potential fix
bump esri-leaflet version
Merge pull request #392 from robertd/patch-1

bump esri-leaflet version
slightly better ux when toggleing layers
Merge branch 'master' of github.com:Esri/esri-leaflet