Merge pull request #213 from ipa-fxm/indigo_dev

Indigo dev
Merge branch 'indigo_dev' into velocity_interface_controller_indigo
topic-based hardware_interface works
cob4-1 and cob4-2 using latest features of cob_control
Merge pull request #219 from ipa-fxm/velocity_interface_controller_indigo

[Indigo] Velocity interface controller indigo
fix laser inversion
Merge pull request #221 from ipa320/hydro_dev

bringin updates from hydro_dev
missing install tag
added cob4-2
install tags
setup cob4-2
fake_diagnostics for actuators
Merge pull request #222 from ipa-nhg/indigo_dev

install tag