chore(npm): update devDependencies

Author: azu

package.json

@@ -49,17 +49,17 @@
     "gitbook-plugin-edit-link": "^2.0.0",
     "gitbook-plugin-ga": "^1.0.0",
     "gitbook-plugin-github": "^2.0.0",
-    "gitbook-plugin-github-buttons": "^1.2.2",
+    "gitbook-plugin-github-buttons": "^2.0.0",
     "gitbook-plugin-include-codeblock": "^1.9.0",
     "gitbook-plugin-japanese-support": "0.0.1",
     "gitbook-plugin-richquotes": "0.0.7",
     "gitbook-summary-to-path": "^1.0.1",
-    "jsdom": "^8.1.0",
+    "jsdom": "^9.2.1",
     "lcov-summary": "^1.0.1",
     "mocha": "^2.2.5",
     "nlcst-to-string": "^1.0.0",
     "node-fetch": "^1.3.2",
-    "npm-run-all": "^1.2.8",
+    "npm-run-all": "^2.1.1",
     "power-assert": "^1.4.1",
     "redux": "^3.5.2",
     "remark": "^4.1.1",