* Organize Sandbox Panel
* Map Editing -> Editing
* Unset ToggleMode on Suicide button. Can hardly un-suicide, no?
* Remove 'Link machines' button that has done nothing for 3 years
* Remember Sandbox window's position instead of forcing to center
* Shows Spawns -> Show Spawns
* Remove SandboxSystem.MachineLinking
(cherry picked from commit 20be8298b7d7b8132d26f6386c2110b8b3dc9d06)