Commits
Korn, Uwe authored and Wes McKinney committed d92735e3956
ARROW-1834: [Doc] Build documentation in separate build folders Author: Korn, Uwe <Uwe.Korn@blue-yonder.com> Closes #1332 from xhochy/ARROW-1834 and squashes the following commits: e9c02533 [Korn, Uwe] ARROW-1834: [Doc] Build documentation in separate build folders