edje: Edje_Edit - add data items into generated code for the group.

edje: Edje_Edit - add data items into generated code for the group.

Summary:
Include data items, that present in edje object.
Data items, which data ends with '\n' recognized as data.file item and not included into the generated source code.
@fix

Reviewers: Hermet, reutskiy.v.v, raster, cedric

Reviewed By: cedric

Subscribers: cedric

Projects: #efl

Differential Revision: https://phab.enlightenment.org/D1858

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
Change-Id: Id3eaaba43238e96ff7c48c5f3083a56ffb5e50a0
origin: upstream