updated versions of build tools

package.json

@@ -68,15 +68,15 @@
     }
   },
   "devDependencies": {
-    "babel": "^6.5.2",
-    "babel-core": "^6.11.4",
-    "babel-loader": "^6.2.4",
-    "babel-preset-es2015": "^6.9.0",
+    "babel-cli": "^6.14.0",
+    "babel-core": "^6.14.0",
+    "babel-loader": "^6.2.5",
+    "babel-preset-es2015": "^6.14.0",
     "babel-preset-react": "^6.11.1",
     "bootstrap": "^3.3.6",
-    "css-loader": "^0.23.1",
-    "electron-builder": "^5.20.0",
-    "electron-packager": "^7.4.0",
+    "css-loader": "^0.24.0",
+    "electron-builder": "^6.3.1",
+    "electron-packager": "^7.7.0",
     "electron-prebuilt": "^1.3.4",
     "electron-rebuild": "^1.2.0",
     "file-loader": "^0.9.0",
@@ -93,7 +93,7 @@
     "reflexbox": "^1.1.0",
     "style-loader": "^0.13.1",
     "url-loader": "^0.5.7",
-    "webpack": "^1.13.1",
-    "webpack-dev-server": "^1.14.1"
+    "webpack": "^1.13.2",
+    "webpack-dev-server": "^1.15.0"
   }
 }