[groovy beta 2] Question regarding catkin, location of binaries and roslaunch

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Hello, I am migrating code and I have a question regarding catkin. With rosmake the binaries where created in the /mypackage/bin folder, now catkins (using catkin_make) creates them in /mypackage/build/devel/lib/package. The, probably foolish, question is how to execute these binaries. When I try "rosrun mypackage" and autocompletion with tab, the new binaries are not shown. Besides, I used a launch file, which also doesn't work because it looks like the binaries are expected in mypackage/bin. Am I missing something? Cheers, Oier