Glacite and updated Peaks biome (#455)

* Add glacite texture

* Add glacite block

* Update peak biome with glacite

* Tweak peaks meekly

* Brighten Glacite by like 5

assets/cubyz/biomes/peak.json

@@ -5,13 +5,23 @@
 	"minHeight" : 120,
 	"maxHeight" : 256,
 	
-	"mountains" : 150,
+	"mountains" : 125,
 	
 	"music" : "DarkTimes",
 
 	"ground_structure" : [
-		"1 to 2 cubyz:snow",
-		"0 to 1 cubyz:ice",
-		"0 to 2 cubyz:cobblestone"
+		"3 to 6 cubyz:snow"
+	],
+	"stoneBlock" : "cubyz:glacite",
+	"structures" : [
+		{
+			"id" : "cubyz:ground_patch",
+			"block" : "cubyz:ice",
+			"chance" : 0.002,
+			"width" : 6,
+			"variation" : 5,
+			"depth" : 3,
+			"smoothness" : 0.1
+		}
 	]
 }

assets/cubyz/blocks/glacite.json

@@ -0,0 +1,11 @@
+{
+	"class" : "stone",
+	"hardness" : 25,
+	"breakingPower" : 1,
+	"drops" : [
+		"auto"
+	],
+	"rotation" : "stairs",
+	"model" : "cube",
+	"texture" : "cubyz:glacite"
+}