Make sure Utility file is included in doxygen output.
Make sure Utility file is included in doxygen output.

Fixes http://www.chiefdelphi.com/forums/showpost.php?p=1427109&postcount=3

Change-Id: I716cd6be21980945c4a7846f5c32e50e040be3e9

RAR1741/wpilib,JLLeitschuh/allwpilib,robotdotnet/allwpilib,PeterMitrano/allwpilib,333fred/allwpilib,333fred/allwpilib,PatrickPenguinTurtle/allwpilib,PeterMitrano/allwpilib,PatrickPenguinTurtle/allwpilib,PeterMitrano/allwpilib,RAR1741/wpilib,JLLeitschuh/allwpilib,PatrickPenguinTurtle/allwpilib,robotdotnet/allwpilib,RAR1741/wpilib,PatrickPenguinTurtle/allwpilib,PatrickPenguinTurtle/allwpilib,333fred/allwpilib,robotdotnet/allwpilib,JLLeitschuh/allwpilib,PeterMitrano/allwpilib,JLLeitschuh/allwpilib,RAR1741/wpilib,robotdotnet/allwpilib,RAR1741/wpilib,333fred/allwpilib,robotdotnet/allwpilib,robotdotnet/allwpilib,PeterMitrano/allwpilib,PatrickPenguinTurtle/allwpilib,RAR1741/wpilib,333fred/allwpilib,JLLeitschuh/allwpilib,JLLeitschuh/allwpilib,JLLeitschuh/allwpilib,PeterMitrano/allwpilib,PeterMitrano/allwpilib,333fred/allwpilib,PatrickPenguinTurtle/allwpilib,RAR1741/wpilib