Move logo assets to own folder, organize README link

Author: ryanio

CHANGELOG.md

@@ -147,6 +147,11 @@ Released with 1.0.0-beta.37 code base.
 ### Changed
 
 - Ensure '0x' prefix is existing for Accounts.sign and Accounts.privateKeyToAccount (#3041)
+- Repository cleanup
+  - Removed unneeded `docs/_build` folder
+  - Removed bower and meteor artifact files
+  - Moved logo assets to own folder
+  - Moved github assets to own folder
 
 ### Fixed
 

README.md

@@ -1,14 +1,12 @@
-<p align="center">
-<img src="https://github.com/ethereum/web3.js/raw/1.x/web3js.jpg" width=200 />
-</p>
+![web3.js][logo]{:width="200px"}
 
 # web3.js - Ethereum JavaScript API
 
-[![Join the chat at https://gitter.im/ethereum/web3.js](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/ethereum/web3.js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)[![npm](https://img.shields.io/npm/dm/web3.svg)](https://www.npmjs.com/package/web3) [![Build Status][travis-image]][travis-url] [![dependency status][dep-image]][dep-url] [![dev dependency status][dep-dev-image]][dep-dev-url] [![Coverage Status][coveralls-image]][coveralls-url]
-[![lerna](https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg)](https://lerna.js.org/)
+[![Join the chat on Gitter][gitter-image]][gitter-url] [![npm][npm-image]][npm-url] [![Build Status][travis-image]][travis-url] [![dependency status][dep-image]][dep-url] [![dev dependency status][dep-dev-image]][dep-dev-url] [![Coverage Status][coveralls-image]][coveralls-url]
+[![lerna][lerna-image]][lerna-url]
 
 This is the Ethereum [JavaScript API][docs]
-which connects to the [Generic JSON RPC](https://github.com/ethereum/wiki/wiki/JSON-RPC) spec.
+which connects to the [Generic JSON-RPC](https://github.com/ethereum/wiki/wiki/JSON-RPC) spec.
 
 You need to run a local or remote [Ethereum](https://www.ethereum.org/) node to use this library.
 
@@ -158,9 +156,10 @@ The contribution guidelines are provided in [CONTRIBUTIONS](./CONTRIBUTIONS.md)
 -   PHP - [web3.php](https://github.com/sc0Vu/web3.php)
 -   Ruby - [ethereum.rb](https://github.com/EthWorks/ethereum.rb)
 
+[logo]: assets/logo/web3js.jpg
 [repo]: https://github.com/ethereum/web3.js
 [docs]: http://web3js.readthedocs.io/
-[npm-image]: https://badge.fury.io/js/web3.png
+[npm-image]: https://img.shields.io/npm/dm/web3.svg
 [npm-url]: https://npmjs.org/package/web3
 [travis-image]: https://travis-ci.org/ethereum/web3.js.svg
 [travis-url]: https://travis-ci.org/ethereum/web3.js
@@ -172,3 +171,7 @@ The contribution guidelines are provided in [CONTRIBUTIONS](./CONTRIBUTIONS.md)
 [coveralls-url]: https://coveralls.io/r/ethereum/web3.js?branch=1.x
 [waffle-image]: https://badge.waffle.io/ethereum/web3.js.svg?label=ready&title=Ready
 [waffle-url]: https://waffle.io/ethereum/web3.js
+[gitter-image]: https://badges.gitter.im/Join%20Chat.svg
+[gitter-url]:  https://gitter.im/ethereum/web3.js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+[lerna-image]: https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg
+[lerna-url]: https://lerna.js.org/