Add a HildonLiveSearch::refilter signal
Add a HildonLiveSearch::refilter signal

Adds a signal emitted when it is necessary to refilter the items
in the GtkTreeModel in a live search widget. This adds the
possibility for the user to stop the filtering or to filter
it himself.

Signed-off-by: Claudio Saavedra <2fa888f1b2aa8ccd00ea71d86ce5ea3c170fc1b5@igalia.com>

community-ssu/hildon,archlinuxarm-n900/libhildon,community-ssu/hildon,community-ssu/hildon,archlinuxarm-n900/libhildon,archlinuxarm-n900/libhildon