Merge branch 'stable-3.1'

* stable-3.1:
  Bump required Bazel version to 2.1.0

Change-Id: Ib93c351ff2024b5584a0b2ccb6e844ef479e03f5

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index ec50441..22f0515 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "300de940c226c4ef7f0ce4baa90e278ae0fa840c",
+    commit = "fbe2b2fd07c95d752dced6b8624c9d5a08e8c6c6",
     #local_path = "/home/<user>/projects/bazlets",
 )