Resources/images/VIII.png: Fix ‘r’ character

* Character had left-over magenta color
Resources/ttcards.icns: Rename to icon.icns
Update to nomlib’s latest API from dev branch
PlayState: Make ID check an assertion & remove string length check

PlayState::updateMessageBox
Game: Change video flags to zero

* The previous state flags for the window didn't do anything for us
Update copyright year & e-mail address
GameObject: Consolidate audio buffers into an array allocation