Make wall generation up to the client

[Altanis]

The code enforces a rectangular boundary system with the private System.defineBoundaries method. Make defining walls up to the client.

[Altanis]

The code now allows for the system to automagically generate a regular polygon of n sides, optionally. You can generate your own boundaries yourself if you so choose.

[Altanis]

Requires reworking for perfect rectangles as "lines".