Overhauled child entity movement in default Lazarus DLL.
Added bbox versions of various triggers to default Lazarus DLL.
Added level.maptype field to default Lazarus DLL.
Added entity class IDs to default Lazarus DLL.
Incremented savegame version for default Lazarus DLL.
Added missing bounds checks for layout script commands.
Fixed baseq2 paths in non-KMQ2 implementation for alias script loading, Lazarus text box loading, and GameDirRelativePath()/SavegameDirRelativePath() functions.