Move default choosers to use new UI choosers
* Migrate subclass chooser to new dialog
* Add info panel to chooser dialogs with info to show.
Issue#: CODE-1852


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk/pcgen@19028 ef53c05b-3124-4d59-ae7d-fe3273f42be7