Merge pull request #372 from ava-labs/readme-cleanup

Readme cleanup

Author: StephenButtolph

README.md

@@ -1,5 +1,8 @@
-# AvalancheGo
-![Avalanche](resources/AvalancheBlack.png?raw=true)
+<div align="center">
+  <img src="resources/AvalancheLogoRed.png?raw=true">
+</div>
+
+---
 
 Official node implementation of the [Avalanche](https://avax.network) network -
 a blockchains platform with high throughput, and blazing fast transactions.