tree 0b19d676381e2438cc44f80832b04307897465d2
parent 4b8d55c05c8c7901b3b496d15ca5732ec0c4cd88
author David Shevitz <dshevitz@google.com> 1513639676 -0800
committer David Shevitz <dshevitz@google.com> 1513639676 -0800

Update sidebar to return users to main doc page or home page

Also fix incorrect sidebar nav for errors, rest api and command line
topics.

Change-Id: Ie06524b19913bbaedeeb337d1df9143c2626580e