Add release notes for v0.155
Add release notes for v0.155

sandstorm-io/vagrant-spk,dwrensha/vagrant-spk,ndarilek/vagrant-spk,dwrensha/vagrant-spk,sandstorm-io/vagrant-spk,sandstorm-io/vagrant-spk,ndarilek/vagrant-spk,dwrensha/vagrant-spk,ndarilek/vagrant-spk