apache/spark — pull request #1524 by liancheng (2014-07-22 08:51:25+00:00)
Title: [CORE] Fixed stage description in stage info page

Stage description should be a `String`, but was changed to an `Option[String]` by mistake:

![stage-desc-small](https://cloud.githubusercontent.com/assets/230655/3655611/f6d0b0f6-117b-11e4-83ed-71000dcd5009.png)