WINTERMUTE: Fix regression with _skipThisFrame

This broke loading in Broken Circle demo.

We now reset the queue state when skipping a frame, and re-use
lastFrameIter instead of keeping track of lastAddedTicket separately.
Merge pull request #403 from rrebello/saga_cppcheck_fix

SAGA: Silent Cppcheck warning in Sprite::loadList().
SAGA: Clean up variable scope
WINTERMUTE: Remove unused _drawNum
SCI: Blacklist the SQ4CD 1.2 NRS patch

In essence, this "patch" includes a mixture the CD and floppy versions
(the whole game), without the speech file
SCI: Make a note about pic 390 in the blacklisted SQ4CD NRS patch 1.2