Implement a functioning Blood Tank (#969)

Added a search bar to the Upgrade Tomes Creative Tab
Updated some Altar fluid code (remove deprecated stuff)
Moved Rendering classes into appropriate package
Fix the localization errors on the Demon Crystals
A few cleanups here and there

src/main/resources/assets/bloodmagic/blockstates/BlockBloodTank.json

@@ -0,0 +1,29 @@
+{
+  "forge_marker": 1,
+  "defaults": {
+    "textures": { "all": "bloodmagic:blocks/BloodTank" },
+    "model": "cube_all",
+    "uvlock": true
+  },
+  "variants": {
+    "tier": {
+	  "0": {},
+	  "1": {},
+	  "2": {},
+	  "3": {},
+	  "4": {},
+	  "5": {},
+	  "6": {},
+	  "7": {},
+	  "8": {},
+	  "9": {},
+	  "10": {},
+	  "11": {},
+	  "12": {},
+	  "13": {},
+	  "14": {},
+	  "15": {}
+	},
+    "inventory": [{}]
+  }
+}