General UI Code Cleanup
- refactored table column preference handling 
Issue#: CODE-2058
- fixed domain table column issues
Issue#: CODE-2060
- domains now have proper selection color
Issue#: CODE-2061

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk/pcgen@19414 ef53c05b-3124-4d59-ae7d-fe3273f42be7