Updated "PCC and LST Files Explained" and the PCC tag entry on the PCC File Tag Docs page.
Issue#: DOCS-277

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@21041 ef53c05b-3124-4d59-ae7d-fe3273f42be7

https://github.com/pcgen/pcgen/commit/f102a4b