use https for shields.io

Author: make-github-pseudonymous-again

README.md

@@ -11,13 +11,13 @@ Red-black tree library for JavaScript.
 See [documentation](https://aureooms.github.io/js-red-black-tree/index.html).
 Parent is [@aureooms/js-bst](https://github.com/aureooms/js-bst).
 
-[![NPM license](http://img.shields.io/npm/l/@aureooms/js-red-black-tree.svg?style=flat)](https://raw.githubusercontent.com/aureooms/js-red-black-tree/master/LICENSE)
-[![NPM version](http://img.shields.io/npm/v/@aureooms/js-red-black-tree.svg?style=flat)](https://www.npmjs.org/package/@aureooms/js-red-black-tree)
-[![Build status](http://img.shields.io/travis/aureooms/js-red-black-tree.svg?style=flat)](https://travis-ci.org/aureooms/js-red-black-tree)
-[![Coverage status](http://img.shields.io/coveralls/aureooms/js-red-black-tree.svg?style=flat)](https://coveralls.io/r/aureooms/js-red-black-tree)
-[![Dependencies status](http://img.shields.io/david/aureooms/js-red-black-tree.svg?style=flat)](https://david-dm.org/aureooms/js-red-black-tree#info=dependencies)
-[![Dev dependencies status](http://img.shields.io/david/dev/aureooms/js-red-black-tree.svg?style=flat)](https://david-dm.org/aureooms/js-red-black-tree#info=devDependencies)
-[![Code Climate](http://img.shields.io/codeclimate/github/aureooms/js-red-black-tree.svg?style=flat)](https://codeclimate.com/github/aureooms/js-red-black-tree)
-[![NPM downloads per month](http://img.shields.io/npm/dm/@aureooms/js-red-black-tree.svg?style=flat)](https://www.npmjs.org/package/@aureooms/js-red-black-tree)
-[![GitHub issues](http://img.shields.io/github/issues/aureooms/js-red-black-tree.svg?style=flat)](https://github.com/aureooms/js-red-black-tree/issues)
+[![NPM license](https://img.shields.io/npm/l/@aureooms/js-red-black-tree.svg?style=flat)](https://raw.githubusercontent.com/aureooms/js-red-black-tree/master/LICENSE)
+[![NPM version](https://img.shields.io/npm/v/@aureooms/js-red-black-tree.svg?style=flat)](https://www.npmjs.org/package/@aureooms/js-red-black-tree)
+[![Build status](https://img.shields.io/travis/aureooms/js-red-black-tree.svg?style=flat)](https://travis-ci.org/aureooms/js-red-black-tree)
+[![Coverage status](https://img.shields.io/coveralls/aureooms/js-red-black-tree.svg?style=flat)](https://coveralls.io/r/aureooms/js-red-black-tree)
+[![Dependencies status](https://img.shields.io/david/aureooms/js-red-black-tree.svg?style=flat)](https://david-dm.org/aureooms/js-red-black-tree#info=dependencies)
+[![Dev dependencies status](https://img.shields.io/david/dev/aureooms/js-red-black-tree.svg?style=flat)](https://david-dm.org/aureooms/js-red-black-tree#info=devDependencies)
+[![Code Climate](https://img.shields.io/codeclimate/github/aureooms/js-red-black-tree.svg?style=flat)](https://codeclimate.com/github/aureooms/js-red-black-tree)
+[![NPM downloads per month](https://img.shields.io/npm/dm/@aureooms/js-red-black-tree.svg?style=flat)](https://www.npmjs.org/package/@aureooms/js-red-black-tree)
+[![GitHub issues](https://img.shields.io/github/issues/aureooms/js-red-black-tree.svg?style=flat)](https://github.com/aureooms/js-red-black-tree/issues)
 [![Documentation](https://aureooms.github.io/js-red-black-tree/badge.svg)](https://aureooms.github.io/js-red-black-tree/source.html)