Increased consistency in how Skills are applied to a PC (relative to other objects)
One step in changing how skills are processed so that we can implement conditional skills under the new proposal

Issue#: CODE-2442, CODE-2448


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23594 ef53c05b-3124-4d59-ae7d-fe3273f42be7