Added support for partitions in linode

Use with
partitions:
domain host and domain names on linode
Searches for linode name and not only id
Update linode by name, documentation
Fixes for last changes after live debugging
Fixes config when there is more than one partition
Fix for partition labels with more than 50 chars
Uncommented DNS update call
Added support for private_ip
Remove what appears to be leftover dev code
Remove unused import