Engine: * Forgot to commit hwengine.rc Training Missions: * Small tweaks to keep the time left once the goal is reached

Training Missions: * Missions won't fail if you win within the last seconds (check for win) * Granting more time for Bazooka training to finish

Engine: * Removed some commented out lines * Added "SetHealth" script command * Added support for global variables (between lua and game) Training Missions: * Once again fail if your time runs out * Training missions show a "You've lost!" message * Changed Shotgun training back to mushrooms map