This patch adds support for optionally doing the rename burnin test, and
adds an example to the sample QA file. To disable, either remove or
specify an empty rename target.

Reviewed-by: imsnah

This patch adds burnin parameters for --parallel and --http-check
options to the burnin script.

Reviewed-by: ultrotter

There are still issues, especially with "gnt-instance modify" and
resetting values. However, this is a start.

Reviewed-by: ultrotter

To my knowledge they're used nowhere and it's at least slightly
confusing to people adding new QA checks.

Reviewed-by: ultrotter

This patch removes the options that allow to create local_raid1 or
remote_raid1 instances. It also modifies the documentation and removes
these disk templates from burnin and from qa.

Reviewed-by: imsnah

Reviewed-by: imsnah

Reviewed-by: iustinp

This patch allows the selection of the hypervisor type for the QA
process; this is useful when testing hypervisor-independent changes that
don't require a Xen setup.

The patch also fixes the OS name in the sample QA config file provided.

Reviewed-by: imsnah

Reviewed-by: iustinp

Reviewed-by: schreiberal

Reviewed-by: schreiberal

Also check whether file contents are correct for both “gnt-cluster command” and
“gnt-cluster copyfile”.

Reviewed-by: iustinp

Added tests:
- “gnt-cluster getmaster”
- “gnt-cluster version”
- “gnt-instance list”
- “gnt-instance reinstall”

Reviewed-by: schreiberal

Reviewed-by: iustinp