Percona XtraBackup moved to https://jira.percona.com/projects/PXB

Merge proposals dependent on lp://qastaging/~akopytov/percona-xtrabackup/rebase-2.1-on-latest-server-versions

  1. rebase-2.1-on-latest-server-versions
  2. Dependent merge proposals

lp://qastaging/~akopytov/percona-xtrabackup/rebase-2.1-on-latest-server-versions has no merge proposals.