Add and modified README files.

Arduino/SatNOGS-V1_1/README.md

+Arduino Code
+============
+
+In order to use this code, you need to download and install the [AccelStepper library](http://www.airspayce.com/mikem/arduino/AccelStepper/). 
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README.md

@@ -6,4 +6,4 @@ Refer to block diagram in the repository for wiring documentation.
 
 The PCB is based in [Arduino Pro Micro](https://www.sparkfun.com/products/12640) and the [Pololu stepper motor driver](http://www.pololu.com/product/1182). In the picture below you can see the PCB.
 
-![satnogs_PCB](https://raw.github.com/satnogs/satnogs-arduino/master/pics/SatNOGSBoardV1_1.png)
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+![satnogs_PCB](https://raw.github.com/satnogs/satnogs-arduino/master/Pics/SatNOGS_Board_V1_1.png)
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