Updates a few libs to latest

Author: hirako2000

package.json

@@ -84,15 +84,15 @@
     "babel-plugin-transform-runtime": "^6.23.0",
     "babel-preset-es2015": "^6.22.0",
     "classnames": "^2.2.5",
-    "cross-env": "^4.0.0",
+    "cross-env": "^5.0.0",
     "css-loader": "^0.28.0",
     "enzyme": "^2.8.2",
     "extract-text-webpack-plugin": "^2.0.0-beta.5",
     "fetch-mock": "^5.8.1",
     "file-loader": "^0.11.1",
     "html-webpack-plugin": "^2.28.0",
-    "isomorphic-style-loader": "^1.1.0",
-    "istanbul-instrumenter-loader": "^0.2.0",
+    "isomorphic-style-loader": "^2.0.0",
+    "istanbul-instrumenter-loader": "^2.0.0",
     "jest": "^20.0.3",
     "json-loader": "^0.5.4",
     "postcss-assets": "^4.1.0",