added new longer/higher neck
Merge branch 'hydro_dev' of github.com:ipa320/cob_robots into hydro_dev
added voltage ctrl yaml for raw3-3
Merge branch 'hydro_dev' of github.com:ipa320/cob_robots into hydro_dev
merged prace descriptions into one xacro makro
add cob4-2
Merge pull request #183 from ipa-nhg/cob4-2

add cob4-2
Merge branch 'hydro_dev' of github.com:ipa320/cob_robots into hydro_dev
Merge branch 'feature/voltage_ctrl' into hydro_dev
Merge pull request #182 from ipa-bnm/hydro_dev

merged prace description into one xacro