adds in focus tracking support
modified:
launcher/launcher-application.c
- adds set_focused method
- adds focus tracking on set_focused and show
launcher/launcher-application.h
launcher/launcher-session.c
- updated to use set_focused
pending merges:
Gordon Allott 2009-11-06 cleaup of focus tracking on finalize
Gordon Allott 2009-11-06 adds window focus tracking to liblauncher