Added routing nodes and a bit of infrastructure - not even working yet.

src/main/java/WayofTime/bloodmagic/routing/IRoutingNode.java

@@ -0,0 +1,19 @@
+package WayofTime.bloodmagic.routing;
+
+import java.util.List;
+
+import net.minecraft.util.BlockPos;
+import net.minecraft.world.World;
+
+public interface IRoutingNode
+{
+    public void connectMasterToRemainingNode(World world, List<BlockPos> alreadyChecked, IMasterRoutingNode master);
+
+    public BlockPos getBlockPos();
+
+    public List<BlockPos> getConnected();
+
+    public BlockPos getMasterPos();
+
+    public boolean isConnectionEnabled(BlockPos testPos);
+}