Update pom.xml
Merge pull request #1 from jenkinsci/master

Merge pull request #1 from justnom/master
Internalized Proxmox API connector class.
Refactored Proxmox API call names.
Added rollback test into Computer jelly view.
Added ignore SSL certificates option for Proxmox datacenter connections.
Merging in release branch 0.2.
Merging in upstream changes.