Merge branch 'bugs/#11582' into 'master'

.rubocop.yml

addons/kascade/kascade

bin/kadeploy3

conf/sample-cluster.conf

db/db_creation.sql

db/update-3.5.0.sql

doc/Kadeploy.pdf

doc/Kadeploy.tex

lib/kadeploy3/common/nodes.rb

lib/kadeploy3/server/config.rb

lib/kadeploy3/server/kadeploy.rb

lib/kadeploy3/server/microsteps.rb

lib/kadeploy3/server/stepdeploy.rb

lib/kadeploy3/server/workflow.rb

vagrant-env/kadeploy_conf/sample-cluster.conf

vagrant-env/scripts/kexec.sh