- Added new NO_RESTORE Tag
- Adding this tag to PartDescriptors when parsing the 3x registrations
- Setting Placeholders as invisible after clone if they have the tag
- PartStack Renderer skips parts with NO_RESTORE tag when filling the
tabfolder

Change-Id: Ib5b13e7cba692efaf780bcfde3e7b8d095213393
Signed-off-by: Eugen Neufeld <eneufeld@eclipsesource.com>
Signed-off-by: Alexandra Buzila <abuzila@eclipsesource.com>