[New] Animated background: Jupiter.
[New] Animated background: DeepSpace.
[Improvement] Audio management.
[Improvement] Overall memory and resource consumption.
[Balancing-Nerf] Turrets life.
[Balancing-Boost] Late level minions damage.
[Fixed] Issue that gave low FPS sometimes at level end.
[Fixed] Bug that prevented StellarNET mission and trophy list to be displayed correctly.