Update dependencies

Author: nodaguti

package.json

@@ -35,8 +35,8 @@
     "babel-core": "^6.7.4",
     "babel-plugin-espower": "^2.1.2",
     "babel-preset-es2015": "^6.6.0",
-    "eslint": "^2.4.0",
-    "eslint-config-airbnb": "^6.1.0",
+    "eslint": "^2.5.1",
+    "eslint-config-airbnb": "^6.2.0",
     "mocha": "^2.4.5",
     "power-assert": "^1.3.1",
     "textlint": "^6.0.3",