Force 64bit in vagrantfile under virtualbox
Force 64bit in vagrantfile under virtualbox

Based on https://github.com/laravel/homestead/pull/63
saucal/VVV,Varying-Vagrant-Vagrants/VVV,saucal/VVV,Varying-Vagrant-Vagrants/VVV,saucal/VVV,Varying-Vagrant-Vagrants/VVV