[LightDM] Version 0.9.5 released

[Robert Ancell]

Lot's of good stuff...
    * Use accounts service in the daemon if it is available
    * Correctly load seat type in multi seat configuration
    * Add display-setup, session-setup and session-cleanup scripting hooks
    * Fix cancel button in GTK greeter
    * Fix line through GTK greeter menu items
    * Exit daemon if a seat fails which has exit-on-failure set to true
    * Add HasGuestAccount property to seat D-Bus interface
    * Fix XDMCP authorization
    * Update man file