Upgrade dependencies (#6)

Author: vojty

package.json

@@ -17,12 +17,12 @@
     "node": ">= 4"
   },
   "dependencies": {
-    "babel-eslint": "7.0.0",
-    "eslint": "3.7.1",
-    "eslint-config-airbnb": "12.0.0",
-    "eslint-plugin-import": "1.16.0",
+    "babel-eslint": "7.1.1",
+    "eslint": "3.11.1",
+    "eslint-config-airbnb": "13.0.0",
+    "eslint-plugin-import": "2.2.0",
     "eslint-plugin-jsx-a11y": "2.2.3",
     "eslint-plugin-mocha": "4.7.0",
-    "eslint-plugin-react": "6.4.1"
+    "eslint-plugin-react": "6.7.1"
   }
 }