Merge pull request #64 from ipa-fmw/master

small fix for beautifying
Merge pull request #67 from ipa-fmw/master

add diagnostics to sound and rename launch files
added missing parameter
add parameter publish_frequency to scanner yaml files; remove swp file
Merge pull request #71 from ipa-mig/electric_dev

add parameter publish_frequency to scanner yaml files
Merge pull request #70 from ipa-josh/master

fixed tray_sensors
Merge branch 'groovy_dev' of github.com:ipa320/cob_robots into groovy_dev