differential_ifk: Added readme.txt with a recommendation about not using the current version.
state_print: Moved to fmMon
plot_velocity: Created, plots linear and angular velocity.
plot_propulsion_feedback: Moved to fmMon.
plot_propulsion_feedback_leftright: Moved to fmMon.
plot_pid: Moved to fmMon.
differential_ifk_py: Created (python library).
frobit_sim: Support for new python library.
cetus_froboscout: Support for new python library.
differential_odometry: Added reset relative script, updated example launch files.