Given that ClutterAnimation is going to be deprecated, we should move
the ClutterAnimationMode enumeration to the ClutterTimeline section.
clutter_timeline_get_direction
clutter_timeline_set_auto_reverse
clutter_timeline_get_auto_reverse
+ClutterAnimationMode
clutter_timeline_set_progress_mode
clutter_timeline_get_progress_mode
ClutterTimelineProgressFunc
<FILE>clutter-animation</FILE>
ClutterAnimation
ClutterAnimationClass
-ClutterAnimationMode
clutter_animation_new
clutter_animation_set_object
clutter_animation_get_object