added background images
loading resources
now loading a tiled entity as the background
added images for five space ships
modified ship images and added a white one
now loading the ship images
updated actor polygon points and size as per the ship image; player actor now has color, which is serialized to the full message
client is now initialized with a random color; added disconnect method which serves the purpose of a destructor; player actors are now initialized with the client's color
reduced maximum number of clients to 5; client object's disconnect method is now invoked when the client is removed
player actors are no longer rectangles - they are now ships
added beam image; loading it with the rest
updated bullet actor polygon points and size as per the new beam image
bullet actor is now initialized with the beam.png image
updated submodule
added beam explosion images
loading beam explosion images
actors now have a destroy method, which bullet actor implements and performs an explosion animation, after which it removes its entity from its parent
game controller no longer removes an actor's entity from the scene when an actor is removed - it now invokes the actor's destroy method
updated submodule
implemented destroy function for the player actor