[vcloud_director] missing post_capture_vapp functionality
[vcloud_director] Implement post_create_catalog_item
Merge pull request #2531 from nosborn/vcloud_director_capture_vapp

[vcloud_director] missing post_capture_vapp functionality
Merge pull request #2530 from nosborn/vcloud_director_create_catalog_item

[vcloud_director] Implement post_create_catalog_item