Merge branch 'master' into launch_improvements
cloud-init log is displayed when an error occurrs while exection 'minion ver create...'
fixed and refurbished cloud-init log functionality
merged
code formatting according to flake8
Merge branch 'master' into launch_improvements
fixed problem in create_version(): created launch configuration is deleted, if a problem occurrs while creating auto scaling group
code formatting
Merge branch 'master' into launch_improvements
Merge pull request #4 from zalando/launch_improvements

Launch improvements