Unlink non-mobj and non-precip thinkers when loading and freeing

Move globalweather to before P_SpawnSpecials so that specials can properly change weather and have it communicated in savegames

# Conflicts:
#	src/p_saveg.c
#	src/p_setup.c

src/p_mobj.c

@@ -10802,7 +10802,6 @@ void P_RemoveSavegameMobj(mobj_t *mobj)
 		thinker_t *thinker = (thinker_t *)mobj;
 		thinker_t *next = thinker->next;
 		(next->prev = thinker->prev)->next = next;
-		R_DestroyLevelInterpolators(thinker);
 		Z_Free(thinker);
 	}
 }

src/p_saveg.c

@@ -3984,7 +3984,11 @@ static void P_NetUnArchiveThinkers(void)
 			if (currentthinker->function.acp1 == (actionf_p1)P_MobjThinker || currentthinker->function.acp1 == (actionf_p1)P_NullPrecipThinker)
 				P_RemoveSavegameMobj((mobj_t *)currentthinker); // item isn't saved, don't remove it
 			else
+			{
+				(next->prev = currentthinker->prev)->next = next;
+				R_DestroyLevelInterpolators(currentthinker);
 				Z_Free(currentthinker);
+			}
 		}
 	}