bite the bullet: JSON card db is now the true source; remove text versions of card db, update card groups to JSON

card_db/it/card_groups.json

@@ -0,0 +1,52 @@
+{
+    "Tournament": {
+        "subcards": [
+            "Bag of Gold",
+            "Diadem",
+            "Followers",
+            "Princess",
+            "Trusty Steed"
+        ],
+        "new_name": "Tournament and Prizes"
+    },
+    "Shelters": {
+        "subcards": [
+            "Hovel",
+            "Overgrown Estate",
+            "Necropolis"
+        ],
+        "new_name": "Shelters"
+    },
+    "Page": {
+        "subcards": [
+            "Treasure Hunter",
+            "Warrior",
+            "Hero",
+            "Champion"
+        ],
+        "new_name": "Page -> Champion"
+    },
+    "Peasant": {
+        "subcards": [
+            "Soldier",
+            "Fugitive",
+            "Disciple",
+            "Teacher"
+        ],
+        "new_name": "Peasant -> Teacher"
+    },
+    "Hermit \/ Madman": {
+        "subcards": [
+            "Hermit",
+            "Madman"
+        ],
+        "new_name": "Hermit \/ Madman"
+    },
+    "Urchin \/ Mercenary": {
+        "subcards": [
+            "Urchin",
+            "Mercenary"
+        ],
+        "new_name": "Urchin \/ Mercenary"
+    }
+}