Added multichat operation set definition and Gibberish protocol implementation. Related issues: Issue #241 , Issue #244, Issue #250

Added to repo.

src/net/java/sip/communicator/service/protocol/InvitationReceivedEvent.java

@@ -0,0 +1,26 @@
+/*
+ * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package net.java.sip.communicator.service.protocol;
+
+/**
+ * Delivered when we receive an invitation for joining an existing chat room.
+ * If the corresponding chat room requires a password, then it could be
+ * retreived by the getPassword() method. The method would return null if no
+ * password is necessary to join the specified chat room.
+ *
+ * @author Emil Ivov
+ */
+public class InvitationReceivedEvent
+    extends java.util.EventObject
+{
+
+    public InvitationReceivedEvent(ProtocolProviderService srcProvider,
+                                   ChatRoom chatRoom)
+    {
+        super(srcProvider);
+    }
+}