* added new chunk "NAME" to level file format for level name settings
* added new chunk "NOTE" to level file format for envelope settings
* changed name of chunk "CONF" to "ELEM" (for normal element settings)
* added new chunk "NAME" to level file format for level name settings
* added new chunk "NOTE" to level file format for envelope settings
* changed name of chunk "CONF" to "ELEM" (for normal element settings)