- fix license of libxfce4ui-tools (bnc#760492)

- update to version 4.10.0
- update contributor credits
- enable startup notification in xfce4-appfinder shortcuts
- translation updates
- make libxfce4ui-1-0 depend on exo-tools, it uses exo-open

- update to version 4.9.2
- increase gtk and glib versions
- bump 4util dependency
- remove unused function prototype
- translation updates

- update to version 4.9.1
- open docs.xfce.org when Help in xfce4-about is clicked
- cache header icons and avoid large icons in XfceTitledDialog
- restore glade directory information in .pc file
- update translator credits
- a lot of improvements in the shortcuts code
- add Alt + F1 as a shortcut for applications menu
- remove unused code from the internal header widget
- add xfce4-about from xfce-utils package
- use xdt-csource instead of exo-csource, depend on xdt 4.9.0
- update to new xfce4-appfinder commands
- fix build against 3.9 Glade
- add shortcuts for XF86WWW and XF86Mail
- simplify the xfce_gdk_screen_get_active fucntion
- add xfce_dialog_show_help function
- translation updates