Updated gui to update the sensor status light even if logging not statrted
imu logging tested and working
Merge branch 'master' of https://github.com/CMU-Robotics-Club/RoboBuggy

Conflicts:
	surface_src/java_src/Alice/src/com/roboclub/robobuggy/sensors/Gps.java
	surface_src/java_src/Alice/src/com/roboclub/robobuggy/sensors/Imu.java
	surface_src/java_src/Alice/src/com/roboclub/robobuggy/ui/ControlPanel.java