accept coordinates in form of simple objects, close #1412

spec/suites/geo/LatLngSpec.js

@@ -105,6 +105,14 @@ describe('LatLng', function() {
 		it('should create a LatLng object from two coordinates', function () {
 			expect(L.latLng(50, 30)).toEqual(new L.LatLng(50, 30));
 		});
+
+		it('should accept an object with lat/lng', function () {
+			expect(L.latLng({lat: 50, lng: 30})).toEqual(new L.LatLng(50, 30));
+		});
+
+		it('should accept an object with lat/lon', function () {
+			expect(L.latLng({lat: 50, lon: 30})).toEqual(new L.LatLng(50, 30));
+		});
 	});
 });
 

src/geo/LatLng.js

@@ -80,6 +80,9 @@ L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Numbe
 	if (a === undefined || a === null) {
 		return a;
 	}
+	if (typeof a === 'object' && 'lat' in a) {
+		return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon);
+	}
 	return new L.LatLng(a, b);
 };