Javadoc fixes.

Change-Id: I954f89fa66f7fe95c8502692d5e65b1de3dd1e46
Reviewed-on: http://gerrit.dmdirc.com/3777
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

src/com/dmdirc/events/EventUtils.java

     /**
      * Posts a displayable event to the bus, and returns the updated display format.
      *
+     * @param <T>             The type of event to be displayed
+     *
      * @param eventBus      The bus to post events to.
      * @param event         The event to be posted.
      * @param displayFormat The initial, default, display format.

src/com/dmdirc/interfaces/FrameCloseListener.java

  * of a {@link FrameContainer}.
  *
  * @since 0.6.5
- *
- * @deprecated @see com.dmdirc.events.WindowClosingEvent
  */
 @Deprecated
 public interface FrameCloseListener {