declutter some files

.babelrc

@@ -1,6 +1,5 @@
 {
   "presets": [
-    "es2015",
-    "stage-0"
+    "es2015"
   ]
 }

.travis.yml

@@ -2,3 +2,4 @@ language: node_js
 node_js:
   - "4"
   - "5"
+  - "6"

README.md

@@ -1,25 +1,24 @@
 # <img src=".github/gmail-logo.png" width="45"> Gmail Desktop
 
 [![Travis](https://img.shields.io/travis/timche/gmail-desktop.svg?branch=master&maxAge=2592000&style=flat-square)](https://travis-ci.org/timche/gmail-desktop)
-[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](http://standardjs.com/)
 
 > An unofficial Gmail Desktop App built with [Electron](https://github.com/electron/electron)
 
 ![Gmail Desktop Screenshot](.github/screenshot.png)
 
 ## Why?
-If you like the simple interface of Gmail and aren't satisfied with any mail apps out there, then Gmail Desktop is the right app for you. It's just a wrapper around the Gmail website with some magic from Electron like native notifications or unread count badge in the dock.
+If you are only using the Gmail website like me, then is this app just for you! It's just a wrapper around the Gmail website with some magic from Electron like native notifications or unread mails badge in the dock.
 
 ## Features
 - [x] Original Gmail Interface
 - [x] Native Notifications
 - [x] Unread Inbox Count (OS X only)
-- [ ] Multiple Gmail Account
+- [ ] Multiple Gmail Accounts
 
 ## Supported OS
 - [x] OS X 10.9+
-- [ ] Windows 7+
-- [ ] Linux
+- [ ] Windows 7+ (not tested yet)
+- [ ] Linux (not tested yet)
 
 ## Installation
 
@@ -37,7 +36,7 @@ Gmail Desktop is built with [Electron](https://github.com/electron/electron).
   ```bash
   $ npm install
   ```
-  
+
 - **Run the app:**
 
   ```bash
@@ -69,3 +68,6 @@ Gmail Desktop is built with [Electron](https://github.com/electron/electron).
 
 ## Contributing
 Any contributions and suggestions are greatly appreciated! 🤗 🎉
+
+## License
+MIT © [Tim Cheung](https://github.com/timche)