extend CHANGELOG for v0.7.1
extend CHANGELOG for v0.7.1

Icinga/puppet-icinga2-rewrite,Icinga/puppet-icinga2-rewrite,Icinga/puppet-icinga2-rewrite,Icinga/puppet-icinga2,Icinga/puppet-icinga2,lazyfrosch/puppet-icinga2,lazyfrosch/puppet-icinga2,lazyfrosch/puppet-icinga2