DSS-5411

Transform has been chaged:
- removed AVItem node when status=-1
- change guid to mgid in ForeignKey node when sharemapValue is exists
- if node Title contains 'Video Unavailable' - status=-1

3/12/2014 03:31 PM

Signed-off-by: MikalaiSivokha <nickolay.sivokho@gmail.com>