Change to master xva
Switch to saucy salamander (and try to force hvm)
Use hidden images

As Ubuntu no longer supports some of the images, they were hidden by
RackSpace. This page lists the uuids:

http://www.rackspace.com/knowledge_center/article/hidden-base-images
Remove image-with parameter

Two readons: It was not working, and we got hold of the hidden images.
Do not hardwire staging VM's URL

Specify the staging VM's XVA's URL instead
Amend test script accoding to the minvm change
Fix bug
XenServer password should be specified on cmdline

It's no more hardwired to xenapi-in-rs.sh.
doc updates
Use uuid in the doc as well
Link to the xva generator
Fix quote bug
Fix quotes
Merge pull request #36 from matelakat/use-openstack-xenapi-testing-xva

Remove hardwired parameters