spark git commit: [SPARK-5620][DOC] group methods in generated unidoc

Repository: spark Updated Branches: refs/heads/branch-1.3 50c48ebbe -> e2be79d1b [SPARK-5620][DOC] group methods in generated unidoc It seems that `(ScalaUnidoc, unidoc)` is the correct way to overwrite `scalacOptions` in unidoc. CC: rxin gzm0 Author: Xiangrui Meng Closes #4404 from mengx

spark git commit: [SPARK-5620][DOC] group methods in generated unidoc

Repository: spark Updated Branches: refs/heads/master a9ed51178 -> 85ccee81a [SPARK-5620][DOC] group methods in generated unidoc It seems that `(ScalaUnidoc, unidoc)` is the correct way to overwrite `scalacOptions` in unidoc. CC: rxin gzm0 Author: Xiangrui Meng Closes #4404 from mengxr/SP