Merge pull request #7 from ipa320/master

update gazebo controller
remove --cov
rename launch file in default_env_confg
Merge pull request #64 from ipa-fmw/master

small fix for beautifying
add sound to diagnostics
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 'automerge' into electric_dev