Summary: Change the default value of the "login.configuration.provider" security property to sun.security.provider.ConfigFile
Reviewed-by: xuelei

Reviewed-by: darcy

Reviewed-by: alanb, vinnie, xuelei

Reviewed-by: dholmes

Reviewed-by: wetmore

Reviewed-by: darcy, weijun

Summary: Reduce scope of synchronized block
Reviewed-by: weijun