Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  FetchAction: Fix FloggerFormatString pattern flagged by error prone
  Add replication delay for asynchronous fetch calls
  Trigger indexing only for local ref updates
  Index change only for meta ref propagation
  Allow asynchronous fetch calls
  Comment the LocalDiskRepositoryManager in ApplyObject
  Fix issue with reading maxApiPayloadSize property

Change-Id: I191ae7b1450d50db567ada26fcc19a7b8752d1ef
tree: 67175c44beb9d2104c0fd50c64f4b2ffe860bcf2
  1. src/
  2. BUILD
  3. Jenkinsfile
  4. LICENSE