Merge branch '4.3'

smack-extensions/src/main/java/org/jivesoftware/smackx/bytestreams/socks5/Socks5Proxy.java

@@ -212,6 +212,7 @@ public final class Socks5Proxy {
             if (this.serverSocket != null) {
                 this.serverThread = new Thread(this.serverProcess);
                 this.serverThread.setName("Smack Local SOCKS5 Proxy");
+                this.serverThread.setDaemon(true);
                 this.serverThread.start();
             }
         }