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routed IMU circuit
fixed schematic to look nice and be organized
removed old imu circuitry. added new i2c circuitry for gyro, accelerometer and magnometer. still need to route on the board
fixed output logic on pushbutton controller
added tx/rx breakout for avr to gumstix serial connection
fixed !ENABLE on the stepper driver
fixed error in confusion between SHDN and CLR. Also changed LED resistor values to 1K and also changed charge led to be 3.3V
fixed the shutdown circuit to use one of the gpio pins. added pullldown resistor on the gumstix side of the level converter. routed this to the shdn pins of the power supplies
added scoutfly_rev3 to accomplish changes for the next revision of the boardAlready removed switch to swtich power supply sources. In the process offixing the pushbutton control circuit