Added a new default for ActorBehaviour.
Added a new default for ActorBehaviour.

The default behaviour for actors is now to have Size Negotiation
switched on.

Thus, the name ACTOR_BEHAVIOUR_NONE is wrong.

Have deprecated ACTOR_BEHAVIOUR_NONE, and added a new ACTOR_BEHAVIOUR_DEFAULT
instead.

Change-Id: I79812715a8dd9b4eb8aa2d41819bcb6c9e403e3d
Signed-off-by: David Steele <426684d2d8a89133c00655e5d81adea9a96de6d8@samsung.com>

dalihub/dali-core,dalihub/dali-core,dalihub/dali-core,dalihub/dali-core