up packages

package-lock.json

@@ -1260,6 +1260,12 @@
           "version": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
           "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
           "dev": true
+        },
+        "sumchecker": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/sumchecker/-/sumchecker-1.3.1.tgz",
+          "integrity": "sha1-ebs7RFbdBPGOvbwNcDodHa7FEF0=",
+          "dev": true
         }
       }
     },
@@ -1343,8 +1349,9 @@
       "dev": true
     },
     "es6-promise": {
-      "version": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.0.5.tgz",
-      "integrity": "sha1-eILzCt3lskDM+n99eMVIMwlRrkI=",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.1.0.tgz",
+      "integrity": "sha1-3aA8qPn4m8WX5omEKSnee6jOvfA=",
       "dev": true
     },
     "es6-set": {
@@ -5053,8 +5060,9 @@
       "optional": true
     },
     "sumchecker": {
-      "version": "https://registry.npmjs.org/sumchecker/-/sumchecker-1.3.0.tgz",
-      "integrity": "sha1-bjAE1787WtVWer8TqCiUbYoZkRs=",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/sumchecker/-/sumchecker-2.0.2.tgz",
+      "integrity": "sha1-D0LBDl0F2l1C7qPlbDOZo31sWz4=",
       "dev": true
     },
     "supports-color": {

package.json

@@ -53,6 +53,7 @@
     "stats-webpack-plugin": "0.4.3",
     "string-replace-webpack-plugin": "0.0.5",
     "strip-sourcemap-loader": "0.0.1",
+    "sumchecker": "^2.0.2",
     "time-grunt": "1.4.0",
     "uglify-loader": "1.4.0",
     "webpack": "^2.2.0",