Building first vagrant devbox

 On branch master

	modified:   README.md
	new file:   docs/create-devbox.md
	deleted:    docs/create-new-vagrant-box.md
	new file:   virtual_machines/devbox/Vagrantfile
	new file:   virtual_machines/devbox/application_dependencies.sh
	new file:   virtual_machines/devbox/system_dependencies.sh