Merge pull request #37 from Download/develop

### 0.7.0: Quality improvements
* Tightened API surface area
  + [x] [Removed support for type string from `is`](#35)
* Improved documentation
  + [x] [JSDoc comments](#26)
  + [x] [Added logo and comic](#29)
* Improved dependency management
  + [x] [Enabled Greenkeeper](#32)
  + [x] [Enabled Greenkeeper-lockfile](a3e7f4a)

Author: Download

.eslintrc.json

@@ -16,7 +16,6 @@
       "code": 120
     }],
     "indent": ["warn", 4],
-    "newline-after-var": "warn",
     "newline-per-chained-call": "warn",
     "one-var-declaration-per-line": "warn",
     "no-redeclare": "error",

.travis.yml

@@ -4,3 +4,9 @@ node_js:
   - "6"
   - "5"
   - "4"
+# https://github.com/greenkeeperio/greenkeeper-lockfile
+before_install:
+- npm install -g npm@5
+- npm install -g greenkeeper-lockfile@1
+before_script: greenkeeper-lockfile-update
+after_script: greenkeeper-lockfile-upload

README.md

@@ -1,5 +1,7 @@
-# mics <sup><sub>0.6.3</sub></sup>
+# mics <sup><sub>0.7.0</sub></sup>
 ### Multiple Inheritance Class System
+
+[![Greenkeeper badge](https://badges.greenkeeper.io/Download/mics.svg)](https://greenkeeper.io/)
 **Intuitive mixins for ES6 classes**
 
 [![npm](https://img.shields.io/npm/v/mics.svg)](https://npmjs.com/package/mics)
@@ -28,8 +30,8 @@ npm install --save mics
 ```
 
 ## Direct download
-* [mics.umd.js](https://cdn.rawgit.com/download/mics/0.6.3/dist/mics.umd.js) (universal module works in browser and node)
-* [mics.min.js](https://cdn.rawgit.com/download/mics/0.6.3/dist/mics.min.js) (minified version of universal module file)
+* [mics.umd.js](https://cdn.rawgit.com/download/mics/0.7.0/dist/mics.umd.js) (universal module works in browser and node)
+* [mics.min.js](https://cdn.rawgit.com/download/mics/0.7.0/dist/mics.min.js) (minified version of universal module file)
 
 
 ## Include in your app
@@ -57,7 +59,7 @@ define(['mics'], function(mics){
 
 ### Script tag
 ```html
-<script src="https://cdn.rawgit.com/download/mics/0.6.3/dist/mics.min.js"></script>
+<script src="https://cdn.rawgit.com/download/mics/0.7.0/dist/mics.min.js"></script>
 <script>
   var mix = mics.mix
   var is = mics.is