Circles are falling now! Changes:
Moved the random number generation functions to NfcUtilities namespace.
Moved predefined rendering and game parameters to NfcGameSettings namespace.
CfcFallingObject class now keeps its rendering data in an associated CfcFallingObjectGL (sub-)class.
New class: CfcGameField - a container for falling objects, responsible also for game field geometry.
New class: CfcGameFieldGL - produces the vertex arrays representation of the game field for rendering.
New class: CfcGameEngine - main game logic implementation.
CfcMainWindow now has an LCD number display for game score indication.
CfcRendererGL now tries to preserve aspect ratio based on the game field size.