Activate dialog on clickable infopoints for torment

Part MCMXCIX of the 'try to make clickable infopoints work without crashing' saga
Torment: Startsong has different parameters, so none of the music cues work, which makes all the encounters kind of soulless...

-this commit is here to remind me where the thing is.
Bookmark for the problem of being unable to sell 'steel' weapons because the bit is used in bg1/2 for 'stolen'

-now with more stolen item headache!
This is where to implement the different rest permissions of pst

-narrowed down to one small block at fault
-incorporated some notes from iesdp
stubbed screen fading out because of making it impossible to play
This commit reveals the place in the projectile code where strahans' quest crashes the game
Some additions to baldur.baf for testing. Why doesn't this work?!
IncrementGlobalOnce: Increase both variables, not just the second

 -fixes DUHIR.DLG uhir's lucky knife quest and hopefully many others
Help() action is woefully ineffectual
Revert "Some additions to baldur.baf for testing. Why doesn't this work?!"

This reverts commit cca8369fc69092f4f19f74be2a23ec858cc8d9e6.
Revert "In Torment, TNO needs to talk to the centre of the trap portal trigger, not any of its 'points'"

This reverts commit dce8f8cd57d464d337ce8f263ea7f4da6cdd1b87.

For testing whether this is actually redundant or not
-this is a working example for being able to switch dialog back to infopoints