Refactored per Jetbrains guidance, http://youtrack.jetbrains.com/issue/TW-32366.
IntelliJ-changed workspace clutter
Catch-up merge from cread's repo to my original fork
Restore secondsElapsed (since build finished), and rename to secondsSinceFinished to make its intent clearer
Merge pull request #3 from walquis/master

Restore "secondsElapsed" (since build finished), and rename to "secondsSinceFinished" to make its intent clearer.  Renamed "elapsed" to "buildDuration".