-added a "Game Modes Explained" menu in home screen. In this menu you can find information on how each game mode should be played
-fixed an issue with the helicopter stopping between rounds time, the main game mode stage was different to some game modes, therefore at the end of some game modes the helicopter wouldn't stop
-fixed an issue that was bothering us for a long time, where the camera would be in slight different positions on Y axis between Steam and Standalone. Now they should be exactly the same for both platforms
-various more bug fixes