CHANGED: console window, tray menu

 * Fixed NPE when user trying to enable show console if console window is
   hidden at startup
 * Options pane will change only Settings
 * Traymenu will change only visibility of console window and adds/removes
   console window from Logger's listeners List
Merge pull request #808 from jikuja/fixes_for_v1.4.0

CHANGED: console window, tray menu