server: disable network bootstrapping for regtest

.gitignore

@@ -45,3 +45,5 @@ profile.cov
 profile.tmp
 
 .DS_Store
+
+main*

server.go

@@ -419,7 +419,8 @@ func (s *server) Start() error {
 	// If network bootstrapping hasn't been disabled, then we'll configure
 	// the set of active bootstrappers, and launch a dedicated goroutine to
 	// maintain a set of persistent connections.
-	if !cfg.NoNetBootstrap && !(cfg.Bitcoin.SimNet || cfg.Litecoin.SimNet) {
+	if !cfg.NoNetBootstrap && !(cfg.Bitcoin.SimNet || cfg.Litecoin.SimNet) &&
+		!(cfg.Bitcoin.RegTest || cfg.Litecoin.RegTest) {
 		networkBootStrappers, err := initNetworkBootstrappers(s)
 		if err != nil {
 			return err