Version Update 0.0.2.5 [Alpha].

Update to version 0.0.2.5 [Alpha].

Changes:

1. Scout ships now fire missiles;

2. Shot animation added for enemy scout ships. 3;

3. Changed shot sound for enemy scout ship;

4. Added sound of explosion when enemy ship is destroyed;

5. Added infinite mode.

Bug fixes:

1. Game speed fixed;

2. Fixed collision mask for enemy ships.