Makes Markers, Sprites and Images draggable.
Load the file /modules/miniature.earth.draggable.js or copy the code to your script and customize it to your needs.
var my_draggable_marker = myearth.addMarker( {
location : { lat: -25, lng: 14 },
hotspot : true
} );
Earth.Draggable.enable( my_draggable_marker );
my_draggable_marker.addEventListener( 'dragend', function(){
console.log( 'Object dropped at: ' + JSON.stringify(this.location) );
} );