make private methods truly private

Author: Thomas Grainger

.babelrc

@@ -6,7 +6,7 @@
         "browsers": ["last 2 versions"]
       }
     }],
-    "stage-2",
+    "stage-0",
   ],
   "env": {
     "production": {

.eslintrc.json

@@ -1,5 +1,6 @@
 {
   "extends": "airbnb-base",
+  "parser": "babel-eslint",
   "env": { "browser": true },
   "rules": {
     "no-underscore-dangle": 0

package.json

@@ -28,10 +28,11 @@
   "readmeFilename": "README.md",
   "devDependencies": {
     "babel-cli": "^6.22.2",
+    "babel-eslint": "^7.2.3",
     "babel-polyfill": "^6.22.0",
     "babel-preset-babili": "^0.0.10",
     "babel-preset-env": "^1.1.8",
-    "babel-preset-stage-2": "^6.22.0",
+    "babel-preset-stage-0": "^6.24.1",
     "bootstrap": "^3.3.7",
     "eslint": "^3.19.0",
     "eslint-config-airbnb-base": "^11.2.0",