Convert the date and time preferences (except 'fancy date') over to

[David Hampton]

Log Message:
-----------
Convert the date and time preferences (except 'fancy date') over to
gconf.

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash/src/app-utils:
        prefs.scm
    gnucash/src/core-utils:
        gnc-gconf-utils.h
    gnucash/src/gnome:
        top-level.c
    gnucash/src/gnome/schemas:
        apps_gnucash_general.schemas
    gnucash/src/gnome-utils:
        dialog-options.c
        dialog-preferences.c
        preferences.glade