@Override
    public void cloneFields(Cloner cloner, Object original) {
        this.target = cloner.clone(target);
        // Note: interpolator, times, and weights are not cloned
    }
De-serialize this track from the specified importer, for example when
loading from a J3O file.

@param im the importer to use (not null)
@throws IOException from the importer
jme3-core/src/main/java/com/jme3/anim/MorphTrack.java