This PR will lead us towards the Promised Day, for in its wake there shall be much celebration and ecstasy as this world becomes a world suitable for developer hegemony. The first strike is thusly;
All << is converted into to_chat().
- Material comparisons done by name rather than reference equality
- get_material_by_name proc that ensures the material list is initialised, initialising it if neccessary
- holographic materials moved into main material list
- table frames are not a source of infinite metal, and can be deconstructed correctly
- gambling table icons are no longer E-W flipped
