MAP: Errata service release 8 changes

- Exclude folderListingSize for requests MaxListCount != 0
- Exclude body-header for MaxListCount == 0
- Removing 'old_folder' from delete message event and place folder from
  which message has been delete in 'folder' attribute

Signed-off-by: Casper Bonde <c.bonde@samsung.com>
Signed-off-by: Trine Jensen <trine.jensen@samsung.com>
Change-Id: I5bf6d50e0a078bb8a9d261d81efd4a9272bcb226