GUI: Initialize PredictiveDialog::_predictiveResult.

This fixes garbage output when canceling the predictive dialog in AGI when
nothing was entered.
GUI: Do not return current input on cancel in PredictiveDialog.

Returning the currently displayed input when you click cancel is confusing
behavior in my eyes.
WINTERMUTE: Fix regression in ticketing

This caused a crash when pressing 'New Game' in the Black Circle demo.
Regression from 544e4a2f49630cecbf06fe5b1e11bdbab1bdb281.
TSAGE: Shading fix when restoring a game from the title screen
CINE: Fix for possible uninitialized variable usage. CID 1086890.
CINE: Ensure that Adlib driver callbacks are initialized. CID 1003411.
MOHAWK: Fix missing initializers in CSTime engine. CID 1002810.
AVALANCHE: Use Doxygen comments in Animation
AVALANCHE: Repair shadowed variable.
AVALANCHE: Move ControlCharacter enum to enums
SAGA: Silent Cppcheck warning in Sprite::loadList().
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
ZVISION: Remove empty file
ZVISION: Add newline at end of file
ZVISION: Fix debug typo copy-paste error