Making AutoCompletion.isPopupVisible() public so application-specific…

… KeyListeners, etc. can determine if code completion is going on

src/org/fife/ui/autocomplete/AutoCompletion.java

@@ -660,11 +660,11 @@ public boolean isParameterAssistanceEnabled() {
 
 
 	/**
-	 * Returns whether the popup window is visible.
+	 * Returns whether the completion popup window is visible.
 	 *
-	 * @return Whether the popup window is visible.
+	 * @return Whether the completion popup window is visible.
 	 */
-	private boolean isPopupVisible() {
+	public boolean isPopupVisible() {
 		return popupWindow!=null && popupWindow.isVisible();
 	}