Added further parameters to launch-file.
Removed old comment.
Renamed launch-file.
Added python scripts to visualize spatula, table, oven, and pancake.
Added visualization nodes to launch-file.
Split baker-visualization into table, oven, and pancake visualization.
Split cartesian spatula simulator in visualization in controller.
Commented dependencies on DLR-msgs for the time being.
Adjusted sampling frequency to value provided by lucia.