Update leaflet.markercluster to v1.4.0.

assets/leaflet-markercluster/package.json

@@ -1,22 +1,43 @@
 {
 	"name": "leaflet.markercluster",
 	"repository": "https://github.com/Leaflet/Leaflet.markercluster",
-	"version": "1.1.0",
+	"version": "1.4.0",
 	"description": "Provides Beautiful Animated Marker Clustering functionality for Leaflet",
 	"devDependencies": {
-		"jshint": "~2.1.3",
-		"mocha": "~1.10.0",
-		"karma": "~0.8.5",
-		"uglify-js": "~2.3.6",
+		"git-rev-sync": "^1.8.0",
+		"happen": "^0.3.1",
 		"jake": "~0.5.16",
-		"magic-string": "^0.7.0",
-		"leaflet": "~1.0.3"
+		"jshint": "^2.9.4",
+		"karma": "^1.5.0",
+		"karma-chrome-launcher": "^2.0.0",
+		"karma-coverage": "^1.1.1",
+		"karma-firefox-launcher": "^1.0.1",
+		"karma-mocha": "^1.3.0",
+		"karma-phantomjs-launcher": "^1.0.4",
+		"karma-rollup-plugin": "^0.2.4",
+		"karma-safari-launcher": "^1.0.0",
+		"leaflet": "^1.3.1",
+		"mocha": "~1.10.0",
+		"phantomjs-prebuilt": "^2.1.14",
+		"rollup": "^0.41.4",
+		"rollup-plugin-git-version": "0.2.1",
+		"rollup-plugin-json": "^2.1.0",
+		"uglify-js": "~2.3.6"
 	},
-	"main": "dist/leaflet.markercluster.js",
+	"peerDependencies": {
+		"leaflet": "~1.3.1"
+	},
+	"main": "dist/leaflet.markercluster-src.js",
 	"scripts": {
-		"test": "jake test",
-		"prepublish": "jake"
+		"test": "karma start ./spec/karma.conf.js",
+		"prepublish": "jake",
+		"rollup": "rollup -c build/rollup-config.js",
+		"uglify": "uglifyjs dist/leaflet.markercluster-src.js -c -m -o dist/leaflet.markercluster.js --source-map dist/leaflet.markercluster.js.map --in-source-map dist/leaflet.markercluster-src.js.map --source-map-url leaflet.markercluster.js.map"
 	},
-	"keywords": ["gis", "map"],
+	"keywords": [
+		"gis",
+		"map",
+		"cluster"
+	],
 	"license": "MIT"
 }