Amq 6.x Fuse 6.x and 7.x karaf client script should prompt username and password always

[kkakarla@kkakarla bin]$ ./client
client: JAVA_HOME not set; results may vary
Logging in as ramu
      _ ____                  ______
     | |  _ \                |  ____|             
     | | |_) | ___  ___ ___  | |__ _   _ ___  ___
 _   | |  _ < / _ \/ __/ __| |  __| | | / __|/ _ \
| |__| | |_) | (_) \__ \__ \ | |  | |_| \__ \  __/
 \____/|____/ \___/|___/___/ |_|   \__,_|___/\___|  JBoss Fuse (6.3.0.redhat-446)
  http://www.redhat.com/products/jbossenterprisemiddleware/fuse/Hit '<tab>' for a list of available commands
and '[cmd] --help' for help on a specific command.Open a browser to http://localhost:8181 to access the management consoleCreate a new Fabric via 'fabric:create'
or join an existing Fabric via 'fabric:join [someUrls]'Hit '<ctrl-d>' or 'osgi:shutdown' to shutdown JBoss Fuse.