Adding instructions for vagrant-berkshelf requirement.
Adding instructions for vagrant-berkshelf requirement.

The project moved from submodules to Berkshelf for the inclusion of chef cookbooks. This plugin is required for Vagrant to execute this new method.
vampd/vampd,timodwhit/vampd,AndBicScadMedia/vampd,JDDoesDev/vampd,vampd/vampd,vampd/vampd,rmcveigh/vampd,HandsomeDogStudio/vampd,rmcveigh/vampd,JDDoesDev/vampd,HandsomeDogStudio/vampd,AndBicScadMedia/vampd,vampd/vampd,JDDoesDev/vampd,AndBicScadMedia/vampd,rmcveigh/vampd,HandsomeDogStudio/vampd,AndBicScadMedia/vampd,HandsomeDogStudio/vampd,JDDoesDev/vampd,rmcveigh/vampd,HandsomeDogStudio/vampd