add --bump to catkin_prepare_release and remove comment output
add --bump to catkin_prepare_release and remove comment output

thaddeustaylor/catkin,beni55/catkin,scpeters/catkin,wkentaro/catkin,meyerj/catkin,scpeters/catkin,scpeters/catkin,shyamalschandra/catkin,beni55/catkin,shyamalschandra/catkin,asmodehn/catkin,wkentaro/catkin,harmishhk/catkin,ros/catkin,thaddeustaylor/catkin,thaddeustaylor/catkin,meyerj/catkin,ros/catkin,asmodehn/catkin,harmishhk/catkin,meyerj/catkin,asmodehn/catkin,ros/catkin,harmishhk/catkin,wkentaro/catkin,beni55/catkin,jack-oquin/catkin,jack-oquin/catkin,jack-oquin/catkin,shyamalschandra/catkin