This commit updates the CLI utility name hpssacli to
ssacli as part of company name change from HP to HPE.
ssacli will work seamlessly for all the cases where
hpssacli is used.
It also updates the custom URL location for ssacli
utility with new location.
Change-Id: I2de4d3430e7308d25e36dc6960783699aa17dfae
This new element installs hpssacli utility (for configuring
RAID) and installs proliantutils python module (which has
ironic-python-agent hardware manager for HP ProLiant hardware).
This module also exposes a new environment variable DIB_HPSSACLI_URL
which allows operator to pass a custom HTTP(S) URL for RPM of hpssacli
utility.
NOTE: This module currently supports only installing from source.
Change-Id: I0494e3db623fdd7ea9182ffba21c0652aaad113c
