Test whether or not Gnucash can find its GConf keys.

[David Hampton]

Log Message:
-----------
Test whether or not Gnucash can find its GConf keys.  If not present
the user with a warning message.  If the user chooses to setup gconf,
launch a druid to lead them through the process.

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash:
        ChangeLog
    gnucash/src:
        gnc-ui.h
    gnucash/src/gnome-utils:
        Makefile.am
        gnc-dir.h.in
        gnc-gnome-utils.c

Added Files:
-----------
    gnucash/src/gnome-utils:
        druid-gconf-setup.c
        druid-gconf-setup.glade
        druid-gconf-setup.h