Added the correct devDependencies. Thanks to @mobvino:

https://github.com/tombatossals/angular-leaflet-directive/pull/234
Merge pull request #285 from elesdoar/master

New Features and Options
Added the base64 shadow icon as coded by @couclock here:

https://github.com/tombatossals/angular-leaflet-directive/issues/243
Merge pull request #7 from tombatossals/master

Merge with the original