factory: first step is working

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
refactor: wdg_parent_set

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
espion: change according to wdg_parent_set refactoring

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
objtree: fix default value assingments

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
gui_widget: add func to generate available wdg name
factory: use free name

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>