Reformat of the kdump-tools file & remove NFSV4 param

Signed-off-by: Louis Bouchard <louis.bouchard@ubuntu.com>
More kdump-tools reformatting

Signed-off-by: Louis Bouchard <louis.bouchard@ubuntu.com>
Add messages about NFS dump activity

Signed-off-by: Louis Bouchard <louis.bouchard@ubuntu.com>