Cleanup some JS files and webpack info

public/assets/vendor/leaflet/README.md

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+<img width="600" src="https://rawgit.com/Leaflet/Leaflet/master/src/images/logo.svg" alt="Leaflet" />
+
+Leaflet is the leading open-source JavaScript library for **mobile-friendly interactive maps**.
+Weighing just about 37 KB of gzipped JS code, it has all the mapping [features][] most developers ever need.
+
+Leaflet is designed with *simplicity*, *performance* and *usability* in mind.
+It works efficiently across all major desktop and mobile platforms out of the box,
+taking advantage of HTML5 and CSS3 on modern browsers while being accessible on older ones too.
+It can be extended with a huge amount of [plugins][],
+has a beautiful, easy to use and [well-documented][] API
+and a simple, readable [source code][] that is a joy to [contribute][] to.
+
+For more info, docs and tutorials, check out the [official website][].<br>
+For **Leaflet downloads** (including the built master version), check out the [download page][].
+
+We're happy to meet new contributors.
+If you want to **get involved** with Leaflet development, check out the [contribution guide][contribute].
+Let's make the best mapping library that will ever exist,
+and push the limits of what's possible with online maps!
+
+[![Build Status](https://travis-ci.org/Leaflet/Leaflet.svg?branch=master)](https://travis-ci.org/Leaflet/Leaflet)
+
+ [contributors]: https://github.com/Leaflet/Leaflet/graphs/contributors
+ [features]: http://leafletjs.com/#features
+ [plugins]: http://leafletjs.com/plugins.html
+ [well-documented]: http://leafletjs.com/reference.html "Leaflet API reference"
+ [source code]: https://github.com/Leaflet/Leaflet "Leaflet GitHub repository"
+ [hosted on GitHub]: http://github.com/Leaflet/Leaflet
+ [contribute]: https://github.com/Leaflet/Leaflet/blob/master/CONTRIBUTING.md "A guide to contributing to Leaflet"
+ [official website]: http://leafletjs.com
+ [download page]: http://leafletjs.com/download.html
+