Merge branch 'stable-4.0'

Merge branch 'stable-4.0'

* stable-4.0:
  Revert "Fix unchecked conversion warning in MergeFormatter"
  Delete deprecated TemporaryBuffer.LocalFile constructors
  Delete deprecated FileUtils.setExecute(File, boolean)
  Delete deprecated WorkingTreeIterator.isModified(DirCacheEntry, boolean)
  Delete deprecated UploadPackMayNotContinueException
  Delete deprecated TransferConfig.isFsckObjects()
  Delete deprecated TextBuiltin.out
  Delete deprecated Merger.getBaseCommit()

Change-Id: Id23a39cc6a3cd122ff1738cb85b7451bbfd8af5f
Signed-off-by: Jonathan Nieder <jrn@google.com>