Description of configuration options for solidfire

Configuration option = Default value	Description
sf_account_prefix = None	(StrOpt) Create SolidFire accounts with this prefix. Uses current hostname if unset (default).
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;