Merge branch 'stable-3.0'

* stable-3.0:
  Switch required bazel version to 0.29.1

Change-Id: Idc806b5ebbf9b81a577a91656089b64fbedde4e0
diff --git a/.bazelversion b/.bazelversion
index 8862dba..25939d3 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-1.0.0rc2
+0.29.1