update exercise 1.4 (orig) to catkin
update exercise 1.4 (orig) to catkin

Levi-Armstrong/industrial_training,gomezc/industrial_training,geoffreychiou/industrial_training,AustinDeric/industrial_training,AustinDeric/industrial_training,geoffreychiou/industrial_training,gomezc/industrial_training,ros-industrial/industrial_training,geoffreychiou/industrial_training,alex1818/industrial_training,gomezc/industrial_training,Levi-Armstrong/industrial_training,gomezc/industrial_training,Levi-Armstrong/industrial_training,gomezc/industrial_training,Levi-Armstrong/industrial_training,alex1818/industrial_training,alex1818/industrial_training,ros-industrial/industrial_training,AustinDeric/industrial_training,ros-industrial/industrial_training,ros-industrial/industrial_training,alex1818/industrial_training