Merge branch 'stable-2.11'

* stable-2.11:
  Update 2.11.1 release notes
  Update version to 2.10.5
  Release notes for 2.10.5
  Update reviewnotes plugin to latest revision
  Bump JGit to v4.0.0.201506090130-r
  Allow to push a tag that points to a non-commit object
  ChangeKindCacheImpl: Assume REWORK if we hit LargeObjectException
  Fixed regression caused by the defaultValue feature

Change-Id: I48f61a872c523fdce4f523ebc08dba75a57add52