clients: deprecate weston-info

weston-info is now deprecated in favor of wayland-info which is part of
wayland-utils.

Add a note to weston-info to inform users that weston-info is deprecated
and will be removed soon.
Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>

README.md

@@ -342,7 +342,7 @@ would be roughly like this:
 	+ desktop shell
 	+ ivi-shell
 	+ fullscreen shell
-	+ weston-info, weston-terminal, etc. we install by default
+	+ weston-info (deprecated), weston-terminal, etc. we install by default
 	+ screen-share
 
 - weston demos (not parallel-installable)

clients/weston-info.c

@@ -1861,6 +1861,11 @@ main(int argc, char **argv)
 		return -1;
 	}
 
+	fprintf(stderr, "\n");
+	fprintf(stderr, "*** Please use wayland-info instead\n");
+	fprintf(stderr, "*** weston-info is deprecated and will be removed in a future version\n");
+	fprintf(stderr, "\n");
+
 	info.tablet_info = NULL;
 	info.xdg_output_manager_v1_info = NULL;
 	wl_list_init(&info.infos);