Merge pull request #1 from ipa-fxm/move_packages

Move packages
move launch files to cob_robots
Merge pull request #4 from ipa-fxm/hydro_dev

move yaml and launch files to cob_robots
Merge branch 'hydro_dev' of github.com:ipa320/cob_control into indigo_dev
Merge branch 'indigo_dev' of github.com:ipa320/cob_control into indigo_dev
introducing cob_hardware_interface package
bare bones concept node for cob_hwinterface_vel
further implement hardware interface
debug stuff for lookat_controller
moved frame_tracker to separate package
make frame_tracker and interactive_marker more generic to be used with non-lookat twist_control
comparing lookat_controller and twist_controller
new menu entry: reset_tracking
clamping in twist_controller not necessary
introducing PID for frame_tracker, generalization of interactive_frame_target
merge with fxm
merge with stash
update interactive marker when not tracking
threading gefrickel
cleaning up twist_controller + use augmented_solver, currently pinv with SVD and manipulability analysis