Update README.md

BSD license and some text

Author: ladyada

README.md

@@ -1,4 +1,16 @@
-Raspberry-Pi
+Adafruit's Raspberry-Pi Python Code Library
 ============
+  Here is a growing collection of libraries and example python scripts
+  for controlling a variety of Adafruit electronics with a Raspberry Pi
+  
+  In progress!
 
-my pi stuff
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried, Kevin Townsend and Mikey Sklar for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+  
+  To download, we suggest logging into your Pi with Internet accessibility and typing:
+  git clone https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code.git