2008-07-29  David Zeuthen  <davidz@redhat.com>

        * configure.in:
        Require gio 2.17.5 for g_mount_guess_content_type().

        * data/nautilus.xml.in:
        Delete x-content/* definitions; these are in shared-mime-info 0.50
        and greater.

        * libnautilus-private/nautilus-global-preferences.c:
        * libnautilus-private/nautilus-global-preferences.h:
        * libnautilus-private/apps_nautilus_preferences.schemas.in:
        Remove /apps/nautilus/preferences/media_autorun_x_content_ask
        and add /apps/nautilus/preferences/media_autorun_x_content_start_app
        instead since we're inverting the logic. Now, by default (except
        for x-content/software for which we're shipping an app ourselves)
        we default to asking the user what action to take.

        * libnautilus-private/nautilus-autorun.c:
        * libnautilus-private/nautilus-autorun.h:
        Use g_mount_guess_content_type() instead of using ou...