Fix typo in cinder.volume.drivers.nexenta.__init__

s/Mikhaik/Mikhail/

Change-Id: I78f53f4a5f73af03657a21302021145d42faed0c
Remove whitespace from cfg options

This extra whitespace will cause warnings in the openstack-manuals,
thus remove it.

Change-Id: I36c0e0d8456bb78384620362b1c1cedb053c6a3c
Merge "Fix typo in cinder.volume.drivers.nexenta.__init__"
Merge "Remove whitespace from cfg options"