gossip: convert ready to a cleaner implementation of a condition variable
gossip: convert ready to a cleaner implementation of a condition variable

maxlang/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,paperstreet/cockroach,glycerine/cockroach,vaibhavarora/cockroach,glycerine/cockroach,cockroachdb/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,petermattis/cockroach,petermattis/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,maxlang/cockroach,maxlang/cockroach,paperstreet/cockroach,glycerine/cockroach,maxlang/cockroach,maxlang/cockroach,paperstreet/cockroach,glycerine/cockroach,veteranlu/cockroach,petermattis/cockroach,petermattis/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,glycerine/cockroach,cockroachdb/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,paperstreet/cockroach,cockroachdb/cockroach,glycerine/cockroach,glycerine/cockroach,glycerine/cockroach,vaibhavarora/cockroach,maxlang/cockroach,petermattis/cockroach,petermattis/cockroach,veteranlu/cockroach,veteranlu/cockroach,petermattis/cockroach,maxlang/cockroach,paperstreet/cockroach,veteranlu/cockroach,veteranlu/cockroach,petermattis/cockroach,paperstreet/cockroach,maxlang/cockroach,cockroachdb/cockroach,veteranlu/cockroach,veteranlu/cockroach