*actual* final pass at unifying on object event

data/maps/SevenIsland_TanobyRuins/map.json

@@ -20,7 +20,7 @@
   ],
   "object_events": [
     {
-      "graphics_id": "MAP_OBJ_GFX_HIKER",
+      "graphics_id": "OBJECT_EVENT_GFX_HIKER",
       "x": 35,
       "y": 7,
       "elevation": 3,
@@ -33,7 +33,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "MAP_OBJ_GFX_HIKER",
+      "graphics_id": "OBJECT_EVENT_GFX_HIKER",
       "x": 121,
       "y": 11,
       "elevation": 3,
@@ -46,7 +46,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "MAP_OBJ_GFX_LASS",
+      "graphics_id": "OBJECT_EVENT_GFX_LASS",
       "x": 85,
       "y": 8,
       "elevation": 3,
@@ -59,7 +59,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "MAP_OBJ_GFX_GENTLEMAN",
+      "graphics_id": "OBJECT_EVENT_GFX_GENTLEMAN",
       "x": 85,
       "y": 5,
       "elevation": 3,