Require baseline Vagrant version and use new VagrantCloud box name
Require baseline Vagrant version and use new VagrantCloud box name

flavorjones/rake-compiler-dev-box,tjschuck/rake-compiler-dev-box,copiousfreetime/rake-compiler-dev-box,tjschuck/rake-compiler-dev-box,flavorjones/rake-compiler-dev-box,tjschuck/rake-compiler-dev-box,ruby-concurrency/rake-compiler-dev-box,flavorjones/rake-compiler-dev-box,tjschuck/rake-compiler-dev-box,ruby-concurrency/rake-compiler-dev-box,copiousfreetime/rake-compiler-dev-box,copiousfreetime/rake-compiler-dev-box,ruby-concurrency/rake-compiler-dev-box,flavorjones/rake-compiler-dev-box,copiousfreetime/rake-compiler-dev-box,ruby-concurrency/rake-compiler-dev-box