Critical Annihilation v0.8.1052

Added flamethrower turret powerup and activated itemAdded flamethrower (special weapon like the gatling)Added gatling turret powerup and activated itemAdded more models to the mars mapAdded option for mission based rewards only in campaign modeAdded popup to restart button to ask if you really want to restart when you're still aliveAdded wave progress bar below score windowAdded score multiplier for faster killingFixed description for yukon-1 to the plains (there are no planes there ;)Fixed floating text after kills to correctly display experience multipliersFixed some memory leaksImproved reload time on plasma rifleImproved effect of shield statImproved controller aimingIncreased reload time for walker bot (the white robot on 4 legs)Lowered damage on enemy plasma rifles (blue bolts)Swapped around continue/restart buttons