Added Common, more components and systems.
Common - Stores any commonly used states.
AABBComponent - Stores the bounding box used for collision.
PhysicsComponent - Stores the gravity, damping and friction of the entity.
PlayerComponent - Stores information about the player.
StateComponent - Stores the Entity's current state.
TransformComponent - Stores any transformations that needs to be done on the component.
PlayerSystem - Handles any input and any player related functions.
World
Added really basic world generation.
Added player generation.