Refactor release.sh and add DRY_RUN=yes/no env var
Refactor release.sh and add DRY_RUN=yes/no env var

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