* Added happy friend time mechanics working properly for fox and cat.
* Added vore mechanics and vore overrides
* No longer enable vore on simple animals by creating a "/vore" subtype. Instead we simply enable vore on the main type. Consensus being we don't need a type for non-vore versions of stuff.
* This allowed us to revert many path references throughout the codebase to the original non-vorestation back to their original values. In these cases the "Vorestation Edit" comment is removed.
* Moved the vore overrides for upstream simple animals into its own file zz_vore_overrides.dm
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