Merge branch 'stable-3.1'

* stable-3.1:
  Format Java files with google-java-format
  Add missing newline at end of tools/BUILD
  Format Java files with google-java-format
  Update external dependencies
  Revert "Remove Tika dependency for uploadvalidator"
  Add test for mime type detection

Change-Id: I8dba5f634b4326d0c429d30632f1d0610d9b8ab4
diff --git a/WORKSPACE b/WORKSPACE
index 71318d6..e183204 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "cd715d269734e7bb0aa2fc4a01d2d2e279631cc7",
+    commit = "5c26af9e0374ede4cd67939be972adf6c4cda791",
     #local_path = "/home/<user>/projects/bazlets",
 )