docs on adding cbft nodes with no downtime
docs on adding cbft nodes with no downtime

couchbaselabs/cbgt,couchbaselabs/cbft,couchbaselabs/cbgt,nimishzynga/cbgt,steveyen/cbft,couchbaselabs/cbgt,steveyen/cbft,nimishzynga/cbgt,steveyen/cbft,nimishzynga/cbgt,couchbaselabs/cbft,couchbaselabs/cbft,couchbaselabs/cbft,couchbaselabs/cbgt,steveyen/cbft,steveyen/cbft,nimishzynga/cbgt