Merge pull request #11 from rkevingibson/master

Added support for multiplexer, and added some testing code
Added rudder pololu test
Merge pull request #12 from rkevingibson/master

Updated main sketch to incorporate all the appropriate interfaces built.
updated rudder pololu class to only poll 2 servos, not 8
fixed conflicts in sketch.ino
updated setting rudder in sketch.ino
Updated compass data to include pitch, dip and roll
Updated compass.h to include pitch, dip and roll
Added sail setting to sketch.ino
Merge pull request #13 from rkevingibson/master

Data Logging stuff. More abstraction.
Updated angleSensor class - now inherits sensor
Merge branch 'master' of https://github.com/QMAST/sailcode
Merge pull request #14 from rkevingibson/master

Major changes to the structure of the code, with many nice classes in the middle of it all.
Merge pull request #15 from rkevingibson/master

Fixes to RC code logic.
Updated servo rudder tests. May have to restart servo regularly to flush errors
Changes to the datalogging code to test this afternoon