Adding new hangtorch() drone function.

src/main/js/plugins/drone/contrib/hangtorch.js

@@ -0,0 +1,29 @@
+var Drone = require('../drone').Drone;
+var Material = org.bukkit.Material;
+function canHang(material){
+  if (material.equals(Material.AIR) ||
+      material.equals(Material.VINE) ) {
+    return true;
+  } else { 
+    return false;
+  }
+}  
+Drone.extend('hangtorch', function () { 
+  var torch = '50:' + Drone.PLAYER_TORCH_FACING[this.dir];
+  var moves = 0;
+  var block = this.world.getBlockAt(this.x, this.y, this.z);
+
+  while ( !canHang(block.type) ){
+
+    moves++;
+    this.back();
+    if (moves == 10){
+      this.fwd(moves);
+      console.log('no air to hang torch');
+      return;
+    }
+    block = this.world.getBlockAt(this.x, this.y, this.z);
+  }
+  this.box(torch);
+  this.fwd(moves);
+});