animation->animation procedure
animation->animation (copy constructor).
animation->animation (copy constructor).
animation->animation-with-fade-out (bug is not fixed)
debuging...
still debugging...
hmm...
now fade-out effect is on (still freeze effect is not implemented.)
Merge branch 'topic-animation-fadeout' into topic-animation-renewal
no change.
Merge branch 'topic-animation-renewal' into develop