Log Message:
Upgraded to 4.9; applied patch from SVN r48 to only use NET_WM_STATE,
required for openbox 3.4.

4.9
* new menu placement to not cover panel; used in menu and taskbar
* taskbar: icons were added to task's menu (raise, iconify, close)
* access to WM_HINTS is done via XGetWMHints only and not via
get_xa_property;
  in taskbar it fixes failure to see existing icon pixmap
  * 1704709: config checks for installed devel packages