Add a small bit of wording re: `disable_registration`
Add a small bit of wording re: `disable_registration`

Consul service registration for Vault requires Consul 0.6.4.

kenbreeman/vault,jmhardison/vault,jam-pot/vault,joelthompson/vault,annanay25/vault,LolalyLuo/vault,jmhardison/vault,lirao/vault,kenbreeman/vault,kenbreeman/vault,lemondrank/vault,chrishoffman/vault,joelthompson/vault,geckoboard/vault,michaelansel/vault,annanay25/vault,kingland/vault,quixoten/vault,joelthompson/vault,jmhardison/vault,hartsock/vault,Aloomaio/vault,hashicorp/vault,mymercurialsky/vault,mgk/vault,jgcallero/vault,martin-ducar-gd/vault,martin-ducar-gd/vault,Banno/vault,kingland/vault,hartsock/vault,kenbreeman/vault,LolalyLuo/vault,rnaveiras/vault,hashicorp/vault,careyblack/vault,naunga/vault,danielsomerfield/vault,Aloomaio/vault,doodles526/vault,jmhardison/vault,lemondrank/vault,careyblack/vault,MonsantoCo/vault,Caiyeon/vault,mgk/vault,rnaveiras/vault,peteryhwong/vault,chrishoffman/vault,skippy/vault,mgk/vault,wjam/vault,memory/vault,hartsock/vault,geckoboard/vault,rnaveiras/vault,mgk/vault,jmhardison/vault,wjam/vault,mhurne/vault,jam-pot/vault,annanay25/vault,kenbreeman/vault,rnaveiras/vault,tallpauley/vault,Caiyeon/vault,memory/vault,geckoboard/vault,mhurne/vault,geckoboard/vault,cimarron-pistoncloud/vault,careyblack/vault,quixoten/vault,quixoten/vault,joelthompson/vault,careyblack/vault,MonsantoCo/vault,mymercurialsky/vault,Banno/vault,ryon/vault,hashicorp/vault,deverton/hashicorp-vault,ryon/vault,michaelansel/vault,cimarron-pistoncloud/vault,hashicorp/vault,lirao/vault,skippy/vault,hashicorp/vault,hashicorp/vault,danielsomerfield/vault,kingland/vault,quixoten/vault,kingland/vault,Aloomaio/vault,geckoboard/vault,annanay25/vault,rnaveiras/vault,careyblack/vault,Aloomaio/vault,peteryhwong/vault,annanay25/vault,hartsock/vault,hartsock/vault,deverton/hashicorp-vault,doodles526/vault,jgcallero/vault,kingland/vault,naunga/vault,tallpauley/vault