Ensure ISO is unmounted after installation
Ensure ISO is unmounted after installation

jstuyts/vagrant-jessie-minimal-amd64-customizable,shtouff/vagrant-debian-jessie-64,crazycode/vagrant-debian-wheezy-64,dotzero/vagrant-debian-jessie-64,kraksoft/vagrant-box,wummel/vagrant-virtualbox-debian-base,Gasol/vagrant-debian-jessie-64,ginas/vagrant-debian-wheezy-64,code-kitchen/vagrant-debian-jessie-64,dforsber-p/vagrant-debian-jessie-64,nvtkaszpir/vagrant-box,xezpeleta/vagrant-debian-jessie-64