Add ovs_vsctl_timeout options to openstack-manuals

Change-Id: I6e5ba171e1b4721693f5f718f5575a6a9229147f
Closes-Bug:1261828
Format config-reference/block-storage/drivers/hds-volume-driver.xml

Some edits:
* Replace tabs with spaces
* Fix programlistings

Change-Id: I01794b8a9562ac20a8c3e79e328019c6c2e054cd
Replace tabs with spaces

Replace tabs with spaces in files

Change-Id: I058657fa8d294210502c647b2612e139d079b440
Merge "Format config-reference/block-storage/drivers/hds-volume-driver.xml"
Merge "Add ovs_vsctl_timeout options to openstack-manuals"