Workaround for issue #11
RobotC only lets you do runtime allocation, not static initializing, so
made a function to initialize the Servo array. Functions that use the
Servo array should do a check for servoDefsInitialized.
Ugly workaround - requires calling initServos() everytime you use Servo.h
Merge pull request #12 from RMRobotics/servoWorkaround

Workaround for issue #11