GUI will try and put found items into bags automatically

- uncovers a wierd bug, where firkraags challenge scroll vanishes if you put it in a bag
- this doesn't affect anything but the container looting, pc to pc item swapping stays in normal inventory
Created an option toggle window to deal with GemRB GUIEnhancements

 -- to access it, there is a small button next to the version string on the options menu, for lack of a better place
Synch some inconsequential changes of GUIOPT together for pst
Import the option window into Torment
Add an options button to the BG1 start screen