if EFL_EO_API_SUPPORT is not defined in user side, this will break the build.
because Elm_Layout type is defined in eo header file.
Just keep using Evas_Object * in legacy yet.
This moves the part_box and part_table APIs to a fake object
like was done in Edje Object.
This also adds support a few new APIs to those containers,
so they behave exactly like Edje.Object.
This is another implementation bit of "eo_part".
Hermet Park
Jee-Yong Um
Jean-Philippe Andre
Cedric BAIL