Update Readme
Update Readme

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