Apply rubocop to fix some layout offenses

bin/kaconsole3

bin/kadeploy3

bin/kaenv3

bin/kanodes3

bin/kapower3

bin/kareboot3

bin/kastat3

lib/kadeploy3/client/client.rb

lib/kadeploy3/common/api.rb

lib/kadeploy3/common/compat.rb

lib/kadeploy3/common/configparser.rb

lib/kadeploy3/common/environment.rb

lib/kadeploy3/common/error.rb

lib/kadeploy3/common/execute.rb

lib/kadeploy3/common/fetchfile.rb

lib/kadeploy3/common/http.rb

lib/kadeploy3/common/httpd.rb

lib/kadeploy3/common/nodes.rb

lib/kadeploy3/server/authentication.rb

lib/kadeploy3/server/automata.rb