Add back token/accessor URL parameters but return a warning.
Add back token/accessor URL parameters but return a warning.

CC @sethvargo

Aloomaio/vault,MonsantoCo/vault,jam-pot/vault,jam-pot/vault,rnaveiras/vault,tallpauley/vault,hashicorp/vault,jmhardison/vault,Aloomaio/vault,quixoten/vault,lemondrank/vault,hashicorp/vault,joelthompson/vault,ryon/vault,Aloomaio/vault,LolalyLuo/vault,peteryhwong/vault,quixoten/vault,mymercurialsky/vault,Banno/vault,michaelansel/vault,kingland/vault,hashicorp/vault,memory/vault,hashicorp/vault,kingland/vault,hartsock/vault,lirao/vault,MonsantoCo/vault,chrishoffman/vault,quixoten/vault,Caiyeon/vault,joelthompson/vault,quixoten/vault,hartsock/vault,naunga/vault,hashicorp/vault,Caiyeon/vault,wjam/vault,mgk/vault,jmhardison/vault,rnaveiras/vault,kingland/vault,deverton/hashicorp-vault,doodles526/vault,cimarron-pistoncloud/vault,jmhardison/vault,mgk/vault,mymercurialsky/vault,jmhardison/vault,kingland/vault,kingland/vault,Aloomaio/vault,wjam/vault,rnaveiras/vault,peteryhwong/vault,LolalyLuo/vault,ryon/vault,rnaveiras/vault,jgcallero/vault,chrishoffman/vault,cimarron-pistoncloud/vault,joelthompson/vault,jgcallero/vault,doodles526/vault,martin-ducar-gd/vault,naunga/vault,hartsock/vault,danielsomerfield/vault,joelthompson/vault,lemondrank/vault,hartsock/vault,tallpauley/vault,mgk/vault,lirao/vault,mgk/vault,danielsomerfield/vault,rnaveiras/vault,memory/vault,michaelansel/vault,martin-ducar-gd/vault,jmhardison/vault,hartsock/vault,deverton/hashicorp-vault,hashicorp/vault,Banno/vault