Changed compressorRelay in RobotMap from 1 to 6
Adding  transmission shifter
Cleaned up OI.java and added comments
Cleaned up RobotMap
Merge pull request #12 from TheTimeLord/master

Added shifter for DriveTrain
Added ScraperBike.debugPrintln() to replace System.out.println() so that the console isn't constantly spammed with numbers
Moved aspect ratio and tolerance constants into RobotMap, and re-added debug boolean for debugPrint
Renaming getJoystick1 and 2 to getDriveStick and getShootStick for clarity
implemented getAdjustedThrottle and minor bugfixes with renamed commands and methods