Fix poll_openstack.py
Re-link device to proxy component if the linkage gets lost somehow.
Fix hostname for user-specified (zOpenStackNovaApiHosts/zOpenStackExtraHosts) hosts.
Add Linux OSProcess graphs to SoftwareComponent components, when available.
Show host, rather than hypervisor, on instances
Show (render_with_type) orgcomponent types.
Show linux device-level graphs on the openstack host components
Merge pull request #18 from zenoss/feature/guitweaks

Feature/guitweaks