apache/spark — pull request #3361 by ueshin (2014-11-19 07:30:54+00:00)
Title: [DOCS][BUILD] Add instruction to use change-version-to-2.11.sh in 'Building for Scala 2.11'.

To build with Scala 2.11, we have to execute `change-version-to-2.11.sh` before Maven execute, otherwise inter-module dependencies are broken.