Update website Vagrantfile (#1689)
Update website Vagrantfile (#1689)

* Upgrade base box to `bento/ubuntu-16.04`
* Remove JS stuff
* Install `git` and `bundler`
* Add gpg key for RVM
danielsomerfield/vault,hashicorp/vault,martin-ducar-gd/vault,rnaveiras/vault,kingland/vault,chrishoffman/vault,mymercurialsky/vault,quixoten/vault,hartsock/vault,hartsock/vault,jam-pot/vault,tallpauley/vault,peteryhwong/vault,mgk/vault,hartsock/vault,quixoten/vault,kingland/vault,michaelansel/vault,LolalyLuo/vault,Banno/vault,MonsantoCo/vault,naunga/vault,hashicorp/vault,chrishoffman/vault,hartsock/vault,jgcallero/vault,memory/vault,Banno/vault,jmhardison/vault,quixoten/vault,rnaveiras/vault,mgk/vault,deverton/hashicorp-vault,mgk/vault,rnaveiras/vault,hashicorp/vault,ryon/vault,joelthompson/vault,lemondrank/vault,hashicorp/vault,mymercurialsky/vault,cimarron-pistoncloud/vault,doodles526/vault,memory/vault,kingland/vault,jgcallero/vault,wjam/vault,cimarron-pistoncloud/vault,naunga/vault,jmhardison/vault,lirao/vault,jmhardison/vault,Aloomaio/vault,kingland/vault,martin-ducar-gd/vault,Caiyeon/vault,LolalyLuo/vault,wjam/vault,deverton/hashicorp-vault,lirao/vault,kingland/vault,mgk/vault,lemondrank/vault,Caiyeon/vault,rnaveiras/vault,joelthompson/vault,hashicorp/vault,jam-pot/vault,hashicorp/vault,MonsantoCo/vault,danielsomerfield/vault,rnaveiras/vault,hartsock/vault,michaelansel/vault,Aloomaio/vault,tallpauley/vault,quixoten/vault,jmhardison/vault,joelthompson/vault,jmhardison/vault,Aloomaio/vault,peteryhwong/vault,joelthompson/vault,doodles526/vault,ryon/vault,Aloomaio/vault