SPIGOT-5301: BlockIgniteEvent for campfire + arrow

nms-patches/BlockCampfire.patch

@@ -0,0 +1,14 @@
+--- a/net/minecraft/server/BlockCampfire.java
++++ b/net/minecraft/server/BlockCampfire.java
+@@ -142,6 +142,11 @@
+             if (entityarrow.isBurning() && !(Boolean) iblockdata.get(BlockCampfire.b) && !(Boolean) iblockdata.get(BlockCampfire.d)) {
+                 BlockPosition blockposition = movingobjectpositionblock.getBlockPosition();
+ 
++                // CraftBukkit start
++                if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockIgniteEvent(world, blockposition, entityarrow).isCancelled()) {
++                    return;
++                }
++                // CraftBukkit end
+                 world.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockProperties.r, true), 11);
+             }
+         }

src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java

@@ -1173,6 +1173,9 @@ public class CraftEventFactory {
             case FIREBALL:
                 cause = IgniteCause.FIREBALL;
                 break;
+            case ARROW:
+                cause = IgniteCause.ARROW;
+                break;
             default:
                 cause = IgniteCause.FLINT_AND_STEEL;
         }