Issue#: DATA-1343
Nunchaku are base type Wood. Source states Metal or Wood - add a metal version.

Original version left untouched. Added Metal variant.

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@22002 ef53c05b-3124-4d59-ae7d-fe3273f42be7