new nav_positions, new_arm_configurations
Merge branch 'review-ipa320'
Added elevators in ipa-apartment
Added elevators in ipa-apartment
Merge branch 'master' of github.com:ipa-nhg/cob_environments
Added elevators in ipa-apartment world
Merge remote branch 'origin-ipa-nhg/master' into automerge
merge with ipa320
Updated mass value for milk model
Updated mass value for milk model
Merge pull request #5 from ipa-nhg/master

New mass value for milk model 
New structure in cob_gazebo_worlds package
Added header to python code
Renamed launch files
Fixed test errors
Merge pull request #7 from ipa-nhg/master

Renamed launch files
Merge branch 'review-ipa320'
reanimate ipa-4th-floor png map
add ipa-4th-floor again
introduce arg robot_env instead of env ROBOT_ENV