Editor Fixes (by Buggler)
- Fixed item deletion from item pool when no item selected
- Added Shift, Ctrl, Ctrl+Shift hotkeys to item scrolling click 
- Fixed Rdn button not depressed upon clicking other item buttons
- Fixed B, R, S text not shown for random items

git-svn-id: https://ja2svn.dyndns.org/source/ja2/trunk/GameSource/ja2_v1.13@5949 3b4a5df2-a311-0410-b5c6-a8a6f20db521