title: how to get progress bar data for a running jenkins job through the API
body: <p>I want to use the jenkins API to get information about my current jobs. I can find information on the last build (<code>.../job/MyJob/lastBuild/api/xml</code>) but I'm not seeing the field(s) that would let me create a progress bar. I see an <code>estimatedDuration</code> field and a <code>building</code> field, but nothing that tells me how long it's already been running. </p>