[multipath] allow scope limiting to a "user_friendly name"
[multipath] allow scope limiting to a "user_friendly name"

Uses the new lookup in libmultipath/alias.[ch]
Also move the get_refwwid upper in the code.


unakatsuo/multipath-tools,grzn/multipath-tools-explained,vijaychauhan/multipath-tools,unakatsuo/multipath-tools,unakatsuo/multipath-tools,grzn/multipath-tools-explained,vijaychauhan/multipath-tools,gebi/multipath-tools