Add cancelable custom event for reporting of messages received from web

src/main/java/org/dynmap/DynmapWebChatEvent.java

@@ -0,0 +1,31 @@
+package org.dynmap;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+
+/**
+ * Custom bukkit event, corresponding to the receiving of a web-chat message from a web UI user
+ */
+public class DynmapWebChatEvent extends Event implements Cancellable {
+    private String source;
+    private String name;
+    private String message;
+    private boolean cancelled;
+    
+    public DynmapWebChatEvent(String source, String name, String message) {
+        super("org.dynmap.DynmapWebChatEvent");
+        this.source = source;
+        this.name = name;
+        this.message = message;
+        this.cancelled = false;
+    }
+    public boolean isCancelled() { return cancelled; }
+    
+    public void setCancelled(boolean cancel) { cancelled = cancel; }
+
+    public String getSource() { return source; }
+    
+    public String getName() { return name; }
+    
+    public String getMessage() { return message; }
+    
+}