Convert count terms to use CNAbility

Issue#: CODE-2473


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23257 ef53c05b-3124-4d59-ae7d-fe3273f42be7
Eliminate AbilityUtilities method that fetched Abilities not CNAbilities

Issue#: CODE-2473


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23258 ef53c05b-3124-4d59-ae7d-fe3273f42be7