While working on converting the CSRBot to use the new PullRequestPoller from SKARA-1565, it has become apparent that we need a similar IssuePoller. It's not quite as complex as the PullRequestPoller, but there are certainly some complicating circumstances. The main one is that you can only do time based queries in Jira on minute resolution. We also need to handle the same retry mechanism as the PullRequestPoller so that we never lose updates when a WorkItem randomly fails with RuntimeException.