* NoteMapTest: Open TreeWalk instances in try-with-resource
* ObjectDirectoryTest: Fix warnings about variable hiding
* PackWriterTest: Open RevWalk in try-with-resource
* PatchIdDiffFormatterTest: Open Git and PatchIdDiffFormatter in try-with-resource
* PathSuffixFilterTest: Open TreeWalk in try-with-resource
* PostOrderTreeWalkTest: Open TreeWalk in try-with-resource
* PullCommandWithRebaseTest: Open RevWalk in try-with-resource
* PushCommandTest: Open Git instances in try-with-resource
* RacyGitTests: Open NameConflictTreeWalk in try-with-resource
* RecursiveMergerTest: Open TreeWalk and BufferedReader in try-with-resource
* ReflogConfigTest: refactor commit method to avoid variable hiding
* Update .mailmap
* RefDirectoryTest: Fix warning about member variable hiding
* ReflogResolveTest: Open Git instances in try-with-resource
* ReflogTest: Open Git instances in try-with-resource
* RepoCommandTest: Open Git instances in try-with-resource
* Buffer overflow output stream
* Fix overflow stream leak during merge conflicts
* Use local GIT_DIR for overflow during merge conflicts
* Use try-with-resources and BufferedOutputStream for local merge conflicts
* Optimize EolAwareOutputStream for bulk output