Merge branch 'feat/label' into 'master'

bin/kadeploy3

bin/kaenv3

bin/kanodes3

debian/generate-devel-package

doc/Kadeploy.pdf

doc/Kadeploy.tex

lib/kadeploy3/client/client.rb

lib/kadeploy3/common/environment.rb

lib/kadeploy3/server/automata.rb

lib/kadeploy3/server/config.rb

lib/kadeploy3/server/kadeploy.rb

lib/kadeploy3/server/kaenvs.rb

lib/kadeploy3/server/kanodes.rb

lib/kadeploy3/server/kaworkflow.rb

lib/kadeploy3/server/macrostep.rb

lib/kadeploy3/server/microsteps.rb

lib/kadeploy3/server/netboot.rb

lib/kadeploy3/server/stepdeploy.rb

lib/kadeploy3/server/workflow.rb

vagrant-env/kadeploy_conf/sample-cluster.conf