Fix up some Markdown styling in README.

Author: tylercrumpton

README.md

@@ -1,15 +1,12 @@
-SNAPpy Includes for the Pyduino Development Board
-===================================
+![](https://cloud.githubusercontent.com/assets/1317406/12406044/32cd9916-be0f-11e5-9b18-1547f284f878.png)
 
-Introduction
-------------
+#SNAPpy Includes for the Pyduino Development Board
 
 `pyduinoincludes` is a SNAPpy library that is designed to make development for the Synapse Pyduino board easier. It
 allows references to the nifty Pyduino IO names (like D3, AD0, or SCL) instead of the underlying SNAPpy GPIO numbers.
 It also provides a bit-banged SPI implementation that can be used for shields that utilize the SPI pins.
 
-Installation
-------------
+## Installation
 
 ### For use in Portal
 
@@ -27,8 +24,7 @@ Alternatively you can download the source, extract it, and install it:
 
     python setup.py install
 
-Usage
--------------
+## Usage
 
 In order to use the nice IO names, simply import `pyduinoincludes` in your SNAPpy script like this: