Update to new hp3parclient

The updated hp3parclient v3.0.0 is required for the new HP 3PAR
cinder driver and it's unit tests.  This patch is the first in
2 patches that are need to land.  We are breaking this up into
2 patches to avoid breaking continuous deployment.

First we'll update the top end to 4.0 in this patch.  The
next patch will update the low end to 3.0.

Change-Id: I2d0f92b7d082637d55f4bbc7cac66c97aa73cfe0
Merge "Update to new hp3parclient"