Update release notes for 6.3.6

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24991 ef53c05b-3124-4d59-ae7d-fe3273f42be7
Update version for 6.03.06 beta

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24992 ef53c05b-3124-4d59-ae7d-fe3273f42be7