Mark's Consistency issue for Cavalier vs. Samurai from _Exp

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23471 ef53c05b-3124-4d59-ae7d-fe3273f42be7
Fix how Ability Focus (and similar) feats works - selects only items the PC possesses; fix animal companion tricks to display differently.

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23472 ef53c05b-3124-4d59-ae7d-fe3273f42be7