Created the BlockRitualStone and had it implement IRitualStone. Created .json files necessary

Created PropertyRuneType.

src/main/java/WayofTime/bloodmagic/api/ritual/PropertyRuneType.java

@@ -0,0 +1,48 @@
+package WayofTime.bloodmagic.api.ritual;
+
+import java.util.Collection;
+
+import net.minecraft.block.properties.PropertyEnum;
+
+import com.google.common.base.Predicate;
+import com.google.common.base.Predicates;
+import com.google.common.collect.Collections2;
+import com.google.common.collect.Lists;
+
+public class PropertyRuneType extends PropertyEnum
+{
+    protected PropertyRuneType(String name, Collection values)
+    {
+        super(name, EnumRuneType.class, values);
+    }
+
+    /**
+     * Create a new PropertyRuneType with the given name
+     */
+    public static PropertyRuneType create(String name)
+    {
+        /**
+         * Create a new PropertyRuneType with all directions that match the given Predicate
+         */
+        return create(name, Predicates.alwaysTrue());
+    }
+
+    /**
+     * Create a new PropertyRuneType with all directions that match the given Predicate
+     */
+    public static PropertyRuneType create(String name, Predicate filter)
+    {
+        /**
+         * Create a new PropertyRuneType for the given direction values
+         */
+        return create(name, Collections2.filter(Lists.newArrayList(EnumRuneType.values()), filter));
+    }
+
+    /**
+     * Create a new PropertyRuneType for the given direction values
+     */
+    public static PropertyRuneType create(String name, Collection values)
+    {
+        return new PropertyRuneType(name, values);
+    }
+}