added ignore pattern for lyx temp files
added ignore pattern for lyx temp files

RobotCasserole1736/CasseroleLib,RobotCasserole1736/CasseroleLib,RobotCasserole1736/CasseroleLib,RobotCasserole1736/CasseroleLib,RobotCasserole1736/CasseroleLib,RobotCasserole1736/CasseroleLib