Baremetal deploy helper sets ODIRECT.

Baremetal deploy helper should set oflag=direct when dd'ing images onto
iSCSI targets, so that it doesn't waste the local page cache.

Fixes bug 1114633.

Change-Id: Ia674afb34aff7b842cfcd520ecb7b75dc21944fa
Rename VMWare to VMware

DocImpact

VMware compute drivers include VMwareESXDriver and VMwareVCDriver

Change-Id: I2e02560831fbac254d6daf2cb8fbe2c80568ba3a
Merge "Rename VMWare to VMware"
Merge "Baremetal deploy helper sets ODIRECT."