[Bleeding] Add new events for Hanging entities, deprecate old Painting

events. Adds BUKKIT-2754

src/main/java/org/bukkit/event/hanging/HangingBreakByEntityEvent.java

@@ -0,0 +1,25 @@
+package org.bukkit.event.hanging;
+
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Hanging;
+
+/**
+ * Triggered when a hanging entity is removed by an entity
+ */
+public class HangingBreakByEntityEvent extends HangingBreakEvent {
+    private final Entity remover;
+
+    public HangingBreakByEntityEvent(final Hanging hanging, final Entity remover) {
+        super(hanging, HangingBreakEvent.RemoveCause.ENTITY);
+        this.remover = remover;
+    }
+
+    /**
+     * Gets the entity that removed the hanging entity
+     *
+     * @return the entity that removed the hanging entity
+     */
+    public Entity getRemover() {
+        return remover;
+    }
+}