added normalization and use of keyboard. I tested it and it worked

Dependencies:   Adafruit-16-Ch-PWM-Servo-Driver mbed

Fork of theRobot by Thomas Ashworth

Revision:
0:1b64a0cedc5d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit-PWM-Servo-Driver.lib	Mon Mar 03 15:27:32 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/tashworth/code/Adafruit-16-Ch-PWM-Servo-Driver/#02a963fc3700