Added tag links to CHOOSE:SPELLLIST and CHOOSE:SPELLCASTER as well as conversion notes for CHOOSE:SPELLCASTER.
Issue#: DOCS-249


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk/pcgen@19587 ef53c05b-3124-4d59-ae7d-fe3273f42be7