Fix: DATA-2164, DATA-1264; Implement: DATA-2163

Purity of Faith should give +1 trait to will save

Elven chain cost and weight

Unarmed Combat Training Ninja trick should give Improved Unarmed Strike feat

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@25495 ef53c05b-3124-4d59-ae7d-fe3273f42be7