Don't try to install vagrant-serverspec if it is already installed
Don't try to install vagrant-serverspec if it is already installed

ateoto/debian,kontrafiktion/debian,ateoto/debian,Kztka/Vagrant-Debian-Boxes,grafjo/debian,quarkslab/debian,mafrosis/boxcutter-debian,kontrafiktion/debian,Koalephant/debian,boxcutter/debian,grafjo/debian,boxcutter/debian,mafrosis/boxcutter-debian,Koalephant/debian,quarkslab/debian,samepage-labs/debian-templates,samepage-labs/debian-templates,Kztka/Vagrant-Debian-Boxes,dafyddj/debian,dafyddj/debian