edje: introduction of text marquee with new ellipsis grammar

edje: introduction of text marquee with new ellipsis grammar

[fixed issue]
 - issue coming with clipper deletion when device is rotated.
 - issue coming with horizontal scrolling.
 - issue coming with textblock on RTL status.
 - issue coming with textblock clipper when device is rotated.

[enhanced]
 - use HEAD, TAIL for ellipsis direction.
 - add slide speed factor (px/sec).
 - change to marquee from slide.
 - remove slide speed factor, adding repeat limit factor.
 - handle start point with scrolling.
 - set default ellipsis marquee repeat limit to -1.
 - reset ellipsis marquee repeat count to handle state changing.
 - remove "ellipsis.on", using EDJE_TEXT_ELLIPSIS_MODE_NONE.
 - use "ellipsize", separated from "ellipsis".
 - check if last description is using ellipsis.
 - enhance readability.

Conflicts:
        src/bin/edje/edje_cc_handlers.c
        src/lib/edje/edje_calc.c
        src/lib/edje/edje_data.c

Change-Id: Iee6d3b815e5929c06578dee47106291632200879