add eina_json.c

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
handling jsons for cb

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

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
convert json parsing to dom

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

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