Merge branch 'stable-3.0'

* stable-3.0:
  Move HA replica site documentation from init to doc
  Documentation: Fix the default peerInfo strategy
  Switch required bazel version to 0.29.1
  Make build tests name consistent with stable-2.15

Change-Id: I7e5c9660539964e9a52c5a4d5f09c601f99b88d4