Merge pull request #43 from ipa-fxm/hydro_dev

Hydro Updates
Merge pull request #44 from ipa-fxm/hydro_dev

raw3-1 has not been calibrated yet
add changelog
"0.5.1"
Merge pull request #45 from ipa-nhg/hydro_dev

Actual robot list
Merge branch 'hydro_dev' into hydro_release_candidate
Merge pull request #46 from ipa320/hydro_release_candidate

Hydro release candidate