Add documentation tags

modules/juce_events/broadcasters/juce_ActionBroadcaster.h

@@ -30,6 +30,8 @@ namespace juce
     listeners and broadcast to them, you can derive from this.
 
     @see ActionListener, ChangeListener
+
+    @tags{Events}
 */
 class JUCE_API  ActionBroadcaster
 {

modules/juce_events/broadcasters/juce_ActionListener.h

@@ -28,6 +28,8 @@ namespace juce
     Interface class for delivery of events that are sent by an ActionBroadcaster.
 
     @see ActionBroadcaster, ChangeListener
+
+    @tags{Events}
 */
 class JUCE_API  ActionListener
 {

modules/juce_events/broadcasters/juce_AsyncUpdater.h

@@ -32,6 +32,8 @@ namespace juce
 
     Basically, one or more calls to the triggerAsyncUpdate() will result in the
     message thread calling handleAsyncUpdate() as soon as it can.
+
+    @tags{Events}
 */
 class JUCE_API  AsyncUpdater
 {

modules/juce_events/broadcasters/juce_ChangeBroadcaster.h

@@ -28,6 +28,8 @@ namespace juce
     Holds a list of ChangeListeners, and sends messages to them when instructed.
 
     @see ChangeListener
+
+    @tags{Events}
 */
 class JUCE_API  ChangeBroadcaster
 {

modules/juce_events/broadcasters/juce_ChangeListener.h

@@ -38,6 +38,8 @@ class ChangeBroadcaster;
     callbacks, but ActionListeners perform one callback for every event posted.
 
     @see ChangeBroadcaster, ActionListener
+
+    @tags{Events}
 */
 class JUCE_API  ChangeListener
 {