Merge branch 'hydro_dev' into indigo_dev
Added queue_size=1 paramter to Publisher initialisation.
Merge branch 'hydro_dev' of https://github.com/ipa320/cob_driver into indigo_dev
Merge branch 'hydro_dev' of https://github.com/ipa320/cob_driver into indigo_dev
Merge pull request #157 from iirob/indigo_dev

Merged new stuff from hydro_dev and seams to work properly.