Various minor interaction features.
There is no concept of gravity in the game yet, so items drift through space or the hallways of a station until they are stopped. Thrown items do not collide with walls because making them collidable makes them collide with EVERYTHING, including the player. We need collision groups in the physics system.
Because of the previous problems the velocity things are throw at is set quite low, it can be tweaked after the other mentioned issues are resolved.
* Rename IEntity.GetComponents to GetAllComponents.
This is to avoid confusion.
A single s to distinguish it from GetComponent() is quite hard to miss.
* Update submodule.
* Adds click parsing entity system
Instead of every entity system receiving the message and deciding if it individually wants the message, and verifying player information. The click parser system receives the message and parses which system to send it to based on clicktype and sends it.
* Submodule update
