Add iSCSI connection attributes

This patch simply adds the iSCSI IP address and port attributes to the
list of configurable attributes.

Change-Id: I25c46a183146377ad9d167be8b9bc9b39291672b
Correct cinder scheduler test case name

addresses: bug #1262669

The "installs cinder scheduler packages" test case was named
"installs cinder scheduler packages" by mistake, correct it with
this patch.

Change-Id: I59a57b6774841d333fc2d8ef1c840f3ba91679b3
Create volume group when use the LVMISCSIDriver

Create volume group when set volume_driver to
cinder.volume.drivers.lvm.LVMISCSIDriver otherwise we can not create
volume with cinder.

Change-Id: I9d27a19254aa62130c13171d68c0c67e4e3686ce
Merge "Add iSCSI connection attributes"
Merge "Create volume group when use the LVMISCSIDriver"
ignore .cookbooks direcotry for testing

Change-Id: Idb29ca8927ebe6fe56b9308146575c6129cbd2fa