ProfitUI changes for GU68

[tknarr]

GU68 has some UI changes that weren't visible on Test:

- Small changes in the persona window related to heroic characters and mercenaries being available as account features rather than part of AoD. Shouldn't be any functional problems until I get the fixes made.

- Some graphics-file changes that I need to check after work. I don't expect functional problems, but newly-introduced graphics for new buttons won't be visible. I'll have a better idea after I've been able to look at the old and new graphics files side-by-side.