OS-255
Use countdistinct() for ability loops

Also: make ASPECT accessible for special attacks and qualities, so these can be testes for CheckList or SaveBonus. We no longer need to use TYPEs for these.

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@21725 ef53c05b-3124-4d59-ae7d-fe3273f42be7