Merge branch 'stable-3.1'

* stable-3.1:
  Fix log statement formatting
  GerritRestApi: Use UTF_8 from StandardCharsets instead of Guava
  Fix NPE in PushResultProcessing
  Fix start --wait to track in-flight collisions and to not fail
  Improve URLmatching to match real Urls
  Convert PushResultProcessing to an interface
  ReplicationQueue: Revert back from Flogger to slf4j logging

The change "Revert back from Flogger to slf4j logging" is omitted from
this merge. Since change I0d18f8931 which was submitted earlier on the
master branch, Flogger logging is fixed.

Change-Id: Idb497116ee621b2fc2e984d1be679412c002fb48
tree: 6ac912401c94d01cd0c8de345de723a1590cd238
  1. .gitignore
  2. .mailmap
  3. .settings/
  4. BUILD
  6. src/