Removed deprecated config option hp3par_domain

The hp3par_domain config option was deprecated in the Havana release.
This just removes it from the code, test and config sample file
for the Icehouse release.

DocImpact

Change-Id: Ib3820cfc1b0db8a8b5755ac59d30691ce832fcea
Fix the invalid argument of webob.exc.HTTPBadRequest

webob.exc.HTTPBadRequest() does not have a parameter 'reason'.

Change-Id: I65103ce72849e921150c4d098993fa523f53fe3a
Closes-Bug: #1264223
Merge "Removed deprecated config option hp3par_domain"
Merge "Fix the invalid argument of webob.exc.HTTPBadRequest"