Cleaaaanups & refactoring

- dialogBtns
* OnDialogBtnClick changed to use global data table now, more global
variables removed, yaay!
* Minor text entry cleanups from text db
Major bug fix

* Fixed major bug with trait selection
Final cleanups

- SelectCreatureTrait()
+ Select Creature Trait, GUI-fying ftw
- Removed lots of unused game texts
Merging of gamestrings