Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  ReplicationIT: Enable task deletion when testing delete branch
  ReplicationIT: Test that branch deletion is replicated
  Make SecureCredentialsFactory public

Change-Id: I07b9127c3e6930b96a38e115265e7cf7cff92b76
tree: 73e8be50a2e932265963fa7249f1e50c81111fea
  1. .gitignore
  2. .mailmap
  3. .settings/
  4. BUILD
  5. LICENSE
  6. src/