* Save game screen and returning to main menu will work if game was started with --start option
* GUI controls can selectively capture keyboard events. CTextInput won't capture Enter. Fixes#654.
* Renamed color constants
* Renamed class AdventureMapButton to CAdventureMapButton
* Moved basic controls like CTextBox from GuiClasses to CIntObjectClasses
* Moved new creature window from GuiClasses to CCreatureWindow