Log Message:
Update to 2.4.0.1, based on work done by xtraeme@ and Min Sik Kim.

2.4.0
- fix workspace name property handling
- fix updating of window/icon names
- fixes to viewport handling
- lots of new translations

2.3.1
- put -lX11 in link flags
- add API to manipulate window fullscreen state
- use an icon from one of the windows in a group, rather than
  the "white piece of paper" icon, if a group doesn't set an icon
- fixes for Cygwin compilation
- add support for viewports in window list and workspace switcher
- fix multihead glitches
- set desktop layout properly on 64-bit platforms
- new/updated translations

2.3.0
- fixed fitt's law for window list applet (Mark McLoughlin)
- incorporated fixes from stable branch