Merge pull request #5345 from pichalite/devdeps

Update dev dependencies

.eslintrc.json

@@ -105,6 +105,7 @@
         "object-property-newline": "off",
         "no-continue": "off",
         "no-extra-semi": "off",
-        "no-spaced-func": "off"
+        "no-spaced-func": "off",
+	"no-useless-return": "off"
     }
 }

package.json

@@ -97,15 +97,15 @@
   },
   "devDependencies": {
     "coveralls": "^2.11.14",
-    "eslint": "^3.7.1",
-    "eslint-config-airbnb": "^12.0.0",
-    "eslint-plugin-import": "^1.16.0",
+    "eslint": "^3.12.0",
+    "eslint-config-airbnb": "^13.0.0",
+    "eslint-plugin-import": "^2.0.0",
     "eslint-plugin-jsx-a11y": "^2.2.3",
-    "eslint-plugin-react": "^6.4.1",
-    "grunt": "~0.4.5",
+    "eslint-plugin-react": "^6.8.0",
+    "grunt": "~1.0.0",
     "grunt-contrib-watch": "^1.0.0",
     "istanbul": "^0.4.2",
-    "mocha": "~3.1.0",
+    "mocha": "~3.2.0",
     "mocha-lcov-reporter": "^1.2.0",
     "xmlhttprequest": "1.8.0",
     "xmlhttprequest-ssl": "1.5.3"