Description of configuration options for solidfire

Configuration option=Default value	Description
sf_account_prefix=docwork	(StrOpt) Create SolidFire accounts with this prefix
sf_allow_tenant_qos=False	(BoolOpt) Allow tenants to specify QOS on create
sf_api_port=443	(IntOpt) SolidFire API port. Useful if the device api is behind a proxy on a different port.
sf_emulate_512=True	(BoolOpt) Set 512 byte emulation on volume creation;