edje: Add ellipsize feature and refactory fade_ellipsis, marquee features.

edje: Add ellipsize feature and refactory fade_ellipsis, marquee features.

* example:
    description {
       text {
          ellipsize {
             mode: FADE_MARQUEE; // NONE(default), NORMAL, FADE, FADE_MARQUEE, MARQUEE
             align: END;         // END(default), START, LEFT, RIGHT, LOCALE
             marquee {
                type: ROLL;      // NORMAL(default), ROLL
                speed: 50;       // pixel per sec. It is a scalable variable when its part is scalable.
                // duration: 4.0;// sec per loop. The speed will be changed according to text's length.
                loop: 3;
                loop_delay: 2.0; // sec. delay before starting each loop
             }
          }
       }
    }

@tizen_fix

Change-Id: Iaa1d5d29ed4c2ddfc071c407ca6b7425eb4da199