system-v init: extend stop() to be more robust
system-v init: extend stop() to be more robust

checks for stale pid files now

LionelCons/puppet-kafka,voxpupuli/puppet-kafka,puppet-community/puppet-kafka,LionelCons/puppet-kafka,Jana-Mobile/puppet-kafka,LionelCons/puppet-kafka,puppet-community/puppet-kafka,hundredacres/puppet-kafka,puppet-community/puppet-kafka,hundredacres/puppet-kafka,voxpupuli/puppet-kafka,hundredacres/puppet-kafka,voxpupuli/puppet-kafka,Jana-Mobile/puppet-kafka,Jana-Mobile/puppet-kafka