Merge branch 'new_master' into hashicorp_raft

# Conflicts:
#	weed/pb/master_pb/master.pb.go

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/Azure/azure-storage-blob-go v0.14.0
 	github.com/OneOfOne/xxhash v1.2.8
 	github.com/Shopify/sarama v1.32.0
-	github.com/aws/aws-sdk-go v1.43.31
+	github.com/aws/aws-sdk-go v1.43.33
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72
 	github.com/bwmarrin/snowflake v0.3.0
@@ -116,7 +116,7 @@ require (
 	github.com/xdg-go/stringprep v1.0.2 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
 	go.etcd.io/etcd/client/v3 v3.5.2
-	go.mongodb.org/mongo-driver v1.8.4
+	go.mongodb.org/mongo-driver v1.9.0
 	go.opencensus.io v0.23.0 // indirect
 	gocloud.dev v0.25.0
 	gocloud.dev/pubsub/natspubsub v0.25.0