upgrade babel-eslint to fix TypeError

babel/babel-eslint#243

Author: timc13

package.json

@@ -21,7 +21,7 @@
   "main": "dist/js-data-angular.js",
   "devDependencies": {
     "babel-core": "5.8.25",
-    "babel-eslint": "4.1.3",
+    "babel-eslint": "4.1.7",
     "babel-loader": "5.3.2",
     "grunt": "0.4.5",
     "grunt-contrib-clean": "0.6.0",