DATA-1240
[ARG] Scarred Witch Doctor Archetype scarshield calculation incorrect
- Fix formula, separate out so the bonus and duration are uniquely named allowing for improvements
- Add Temp Bonus


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@21169 ef53c05b-3124-4d59-ae7d-fe3273f42be7