git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@1441 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
-Factor out common broadcast scope to xCAT::Scope git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@380 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd