Update babel-eslint to ^6.0.0 and eslint to ^2.0.0

Author: maltsev

package.json

@@ -32,9 +32,9 @@
   "devDependencies": {
     "babel-cli": "^6.4.5",
     "babel-core": "^6.4.5",
-    "babel-eslint": "^4.1.8",
+    "babel-eslint": "^6.0.0",
     "babel-preset-es2015": "^6.3.13",
-    "eslint": "^1.10.3",
+    "eslint": "^2.0.0",
     "expect": "^1.14.0",
     "mocha": "^2.4.5",
     "posthtml": "^0.8.2"